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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Subparagraph>e</iascf-pfs:Subparagraph>
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      <iascf-pfs:Subparagraph>f</iascf-pfs:Subparagraph>
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    <reference xlink:type="resource" xlink:label="_iascf-pfs_RenderingServicesNature_link" xlink:title="iascf-pfs_RenderingServicesNature">
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      <iascf-pfs:Subparagraph>b</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Subparagraph>j</iascf-pfs:Subparagraph>
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      <iascf-pfs:Subparagraph>j</iascf-pfs:Subparagraph>
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      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>16</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>d</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>16</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>d</iascf-pfs:Subparagraph>
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    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PrimaryFinancialStatements_link" xlink:to="iascf-pfs_PrimaryFinancialStatements" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PrimaryFinancialStatements_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PrimaryFinancialStatements_link" xlink:title="iascf-pfs_PrimaryFinancialStatements">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
      <iascf-pfs:Paragraph>7</iascf-pfs:Paragraph>
    </reference>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PrepaymentsTotal" xlink:to="_iascf-pfs_PrepaymentsTotal_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PrepaymentsTotal" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PrepaymentsTotal_link" xlink:to="iascf-pfs_PrepaymentsTotal" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PrepaymentsTotal_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PrepaymentsTotal_link" xlink:title="iascf-pfs_PrepaymentsTotal">
      <iascf-pfs:Name>IAS-SC</iascf-pfs:Name>
    </reference>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PrepaymentsNonCurrent" xlink:to="_iascf-pfs_PrepaymentsNonCurrent_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PrepaymentsNonCurrent" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PrepaymentsNonCurrent_link" xlink:to="iascf-pfs_PrepaymentsNonCurrent" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PrepaymentsNonCurrent_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PrepaymentsNonCurrent_link" xlink:title="iascf-pfs_PrepaymentsNonCurrent">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
      <iascf-pfs:Paragraph>73</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>b</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_PrepaymentsCurrent" xlink:label="iascf-pfs_PrepaymentsCurrent" xlink:title="iascf-pfs_PrepaymentsCurrent"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PrepaymentsCurrent" xlink:to="_iascf-pfs_PrepaymentsCurrent_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PrepaymentsCurrent" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PrepaymentsCurrent_link" xlink:to="iascf-pfs_PrepaymentsCurrent" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PrepaymentsCurrent_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PrepaymentsCurrent_link" xlink:title="iascf-pfs_PrepaymentsCurrent">
      <iascf-pfs:Name>IAS-CP</iascf-pfs:Name>
    </reference>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PostEmploymentBenefitObligationTotal" xlink:to="_iascf-pfs_PostEmploymentBenefitObligationTotal_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PostEmploymentBenefitObligationTotal" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PostEmploymentBenefitObligationTotal_link" xlink:to="iascf-pfs_PostEmploymentBenefitObligationTotal" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PostEmploymentBenefitObligationTotal_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
      <iascf-pfs:Paragraph>67</iascf-pfs:Paragraph>
    </reference>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PostEmploymentBenefitObligationNonCurrent" xlink:to="_iascf-pfs_PostEmploymentBenefitObligationNonCurrent_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PostEmploymentBenefitObligationNonCurrent" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PostEmploymentBenefitObligationNonCurrent_link" xlink:to="iascf-pfs_PostEmploymentBenefitObligationNonCurrent" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PostEmploymentBenefitObligationNonCurrent_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>19</iascf-pfs:Number>
      <iascf-pfs:Paragraph>120</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
      <iascf-pfs:Clause>ii</iascf-pfs:Clause>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>19</iascf-pfs:Number>
      <iascf-pfs:Paragraph>120</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
      <iascf-pfs:Clause>i</iascf-pfs:Clause>
    </reference>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature" xlink:to="_iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature_link" xlink:to="iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature_link" xlink:title="iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedContributionPlansNature">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>19</iascf-pfs:Number>
      <iascf-pfs:Paragraph>46</iascf-pfs:Paragraph>
    </reference>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature" xlink:to="_iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature_link" xlink:to="iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature_link" xlink:title="iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>19</iascf-pfs:Number>
      <iascf-pfs:Paragraph>61</iascf-pfs:Paragraph>
    </reference>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature_link" xlink:title="iascf-pfs_PostEmploymentBenefitObligationExpenseDefinedBenefitPlansNature">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>19</iascf-pfs:Number>
      <iascf-pfs:Paragraph>120</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>f</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_PostEmploymentBenefitObligationCurrent" xlink:label="iascf-pfs_PostEmploymentBenefitObligationCurrent" xlink:title="iascf-pfs_PostEmploymentBenefitObligationCurrent"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PostEmploymentBenefitObligationCurrent" xlink:to="_iascf-pfs_PostEmploymentBenefitObligationCurrent_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PostEmploymentBenefitObligationCurrent" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PostEmploymentBenefitObligationCurrent_link" xlink:to="iascf-pfs_PostEmploymentBenefitObligationCurrent" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PostEmploymentBenefitObligationCurrent_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PostEmploymentBenefitObligationCurrent_link" xlink:title="iascf-pfs_PostEmploymentBenefitObligationCurrent">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>19</iascf-pfs:Number>
    </reference>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PostEmploymentBenefitObligationCurrent_link" xlink:title="iascf-pfs_PostEmploymentBenefitObligationCurrent">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>19</iascf-pfs:Number>
      <iascf-pfs:Paragraph>120</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
      <iascf-pfs:Clause>i</iascf-pfs:Clause>
    </reference>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PlantEquipmentNet" xlink:to="_iascf-pfs_PlantEquipmentNet_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PlantEquipmentNet" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PlantEquipmentNet_link" xlink:to="iascf-pfs_PlantEquipmentNet" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PlantEquipmentNet_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PlantEquipmentNet_link" xlink:title="iascf-pfs_PlantEquipmentNet">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>16</iascf-pfs:Number>
      <iascf-pfs:Paragraph>60</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>d</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_PaymentsCapitaliseExpenditures" xlink:label="iascf-pfs_PaymentsCapitaliseExpenditures" xlink:title="iascf-pfs_PaymentsCapitaliseExpenditures"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PaymentsCapitaliseExpenditures" xlink:to="_iascf-pfs_PaymentsCapitaliseExpenditures_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PaymentsCapitaliseExpenditures" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PaymentsCapitaliseExpenditures_link" xlink:to="iascf-pfs_PaymentsCapitaliseExpenditures" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PaymentsCapitaliseExpenditures_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>16</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>a</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired" xlink:label="iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired" xlink:title="iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired" xlink:to="_iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PaymentsAcquireSubsidiariesNetCashAcquired" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired_link" xlink:to="iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired_link" xlink:title="iascf-pfs_PaymentsAcquireSubsidiariesNetCashAcquired">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>39</iascf-pfs:Paragraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_PaymentsAcquirePropertyPlantEquipment" xlink:label="iascf-pfs_PaymentsAcquirePropertyPlantEquipment" xlink:title="iascf-pfs_PaymentsAcquirePropertyPlantEquipment"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_PaymentsAcquirePropertyPlantEquipment" xlink:to="_iascf-pfs_PaymentsAcquirePropertyPlantEquipment_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: PaymentsAcquirePropertyPlantEquipment" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_PaymentsAcquirePropertyPlantEquipment_link" xlink:to="iascf-pfs_PaymentsAcquirePropertyPlantEquipment" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_PaymentsAcquirePropertyPlantEquipment_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_PaymentsAcquirePropertyPlantEquipment_link" xlink:title="iascf-pfs_PaymentsAcquirePropertyPlantEquipment">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>16</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>a</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Paragraph>16</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>d</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Paragraph>16</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>38</iascf-pfs:Number>
      <iascf-pfs:Paragraph>107</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
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      <iascf-pfs:Paragraph>86</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>f</iascf-pfs:Subparagraph>
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      <iascf-pfs:Subparagraph>f</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Paragraph>33</iascf-pfs:Paragraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>31</iascf-pfs:Paragraph>
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      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
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      <iascf-pfs:Subparagraph>b</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>14</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
    </reference>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>18</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>b</iascf-pfs:Subparagraph>
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    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashPaymentsRestructuringExpenditures_link" xlink:to="iascf-pfs_CashPaymentsRestructuringExpenditures" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashPaymentsRestructuringExpenditures_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS-CP</iascf-pfs:Name>
    </reference>
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      <iascf-pfs:Name>IAS-CP</iascf-pfs:Name>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes" xlink:label="iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes" xlink:title="iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes" xlink:to="_iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashPaymentsReceivedRemittedValueAddedTaxes" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes_link" xlink:to="iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashPaymentsReceivedRemittedValueAddedTaxes_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS-CP</iascf-pfs:Name>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashPaymentsEmployees" xlink:label="iascf-pfs_CashPaymentsEmployees" xlink:title="iascf-pfs_CashPaymentsEmployees"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashPaymentsEmployees" xlink:to="_iascf-pfs_CashPaymentsEmployees_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashPaymentsEmployees" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashPaymentsEmployees_link" xlink:to="iascf-pfs_CashPaymentsEmployees" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashPaymentsEmployees_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_CashPaymentsEmployees_link" xlink:title="iascf-pfs_CashPaymentsEmployees">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>18</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>b</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashPaymentsEmployeeBenefitPlans" xlink:label="iascf-pfs_CashPaymentsEmployeeBenefitPlans" xlink:title="iascf-pfs_CashPaymentsEmployeeBenefitPlans"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashPaymentsEmployeeBenefitPlans" xlink:to="_iascf-pfs_CashPaymentsEmployeeBenefitPlans_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashPaymentsEmployeeBenefitPlans" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashPaymentsEmployeeBenefitPlans_link" xlink:to="iascf-pfs_CashPaymentsEmployeeBenefitPlans" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashPaymentsEmployeeBenefitPlans_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>14</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>d</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashHand" xlink:label="iascf-pfs_CashHand" xlink:title="iascf-pfs_CashHand"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashHand" xlink:to="_iascf-pfs_CashHand_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashHand" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashHand_link" xlink:to="iascf-pfs_CashHand" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashHand_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_CashHand_link" xlink:title="iascf-pfs_CashHand">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>45</iascf-pfs:Paragraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsUsedOperationsIndirectMethod" xlink:label="iascf-pfs_CashFlowsUsedOperationsIndirectMethod" xlink:title="iascf-pfs_CashFlowsUsedOperationsIndirectMethod"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsUsedOperationsIndirectMethod" xlink:to="_iascf-pfs_CashFlowsUsedOperationsIndirectMethod_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsUsedOperationsIndirectMethod" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsUsedOperationsIndirectMethod_link" xlink:to="iascf-pfs_CashFlowsUsedOperationsIndirectMethod" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsUsedOperationsIndirectMethod_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>18</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>b</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsUsedOperationsDirectMethod" xlink:label="iascf-pfs_CashFlowsUsedOperationsDirectMethod" xlink:title="iascf-pfs_CashFlowsUsedOperationsDirectMethod"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsUsedOperationsDirectMethod" xlink:to="_iascf-pfs_CashFlowsUsedOperationsDirectMethod_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsUsedOperationsDirectMethod" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsUsedOperationsDirectMethod_link" xlink:to="iascf-pfs_CashFlowsUsedOperationsDirectMethod" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsUsedOperationsDirectMethod_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>18</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>a</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting" xlink:label="iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting" xlink:title="iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting" xlink:to="_iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsUsedExtraordinaryItemsInvesting" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting_link" xlink:to="iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsUsedExtraordinaryItemsInvesting_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>29</iascf-pfs:Paragraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsExtraordinaryItemsOperating" xlink:label="iascf-pfs_CashFlowsExtraordinaryItemsOperating" xlink:title="iascf-pfs_CashFlowsExtraordinaryItemsOperating"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsExtraordinaryItemsOperating" xlink:to="_iascf-pfs_CashFlowsExtraordinaryItemsOperating_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsExtraordinaryItemsOperating" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsExtraordinaryItemsOperating_link" xlink:to="iascf-pfs_CashFlowsExtraordinaryItemsOperating" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsExtraordinaryItemsOperating_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>29</iascf-pfs:Paragraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsExtraordinaryItemsFinancing" xlink:label="iascf-pfs_CashFlowsExtraordinaryItemsFinancing" xlink:title="iascf-pfs_CashFlowsExtraordinaryItemsFinancing"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsExtraordinaryItemsFinancing" xlink:to="_iascf-pfs_CashFlowsExtraordinaryItemsFinancing_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsExtraordinaryItemsFinancing" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsExtraordinaryItemsFinancing_link" xlink:to="iascf-pfs_CashFlowsExtraordinaryItemsFinancing" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsExtraordinaryItemsFinancing_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_CashFlowsExtraordinaryItemsFinancing_link" xlink:title="iascf-pfs_CashFlowsExtraordinaryItemsFinancing">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>29</iascf-pfs:Paragraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity" xlink:label="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity" xlink:title="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity" xlink:to="_iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity_link" xlink:to="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperationsNetProfitLossTransferredToEquity_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>18</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>b</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations" xlink:label="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations" xlink:title="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations" xlink:to="_iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsBeforeChangesWorkingCapitalProfitLossOperations" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations_link" xlink:to="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations_link" xlink:title="iascf-pfs_CashFlowsBeforeChangesWorkingCapitalProfitLossOperations">
      <iascf-pfs:Name>IAS-CP</iascf-pfs:Name>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashFlowsBeforeChangesWorkingCapital" xlink:label="iascf-pfs_CashFlowsBeforeChangesWorkingCapital" xlink:title="iascf-pfs_CashFlowsBeforeChangesWorkingCapital"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashFlowsBeforeChangesWorkingCapital" xlink:to="_iascf-pfs_CashFlowsBeforeChangesWorkingCapital_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashFlowsBeforeChangesWorkingCapital" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CashFlowsBeforeChangesWorkingCapital_link" xlink:to="iascf-pfs_CashFlowsBeforeChangesWorkingCapital" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CashFlowsBeforeChangesWorkingCapital_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
    <reference xlink:type="resource" xlink:label="_iascf-pfs_CashFlowsBeforeChangesWorkingCapital_link" xlink:title="iascf-pfs_CashFlowsBeforeChangesWorkingCapital">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>7</iascf-pfs:Number>
      <iascf-pfs:Paragraph>20</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>a</iascf-pfs:Subparagraph>
    </reference>
    <loc xlink:type="locator" xlink:href="ias-ci-pfs-2002-11-15.xsd#iascf-pfs_CashCashEquivalentsEndingBalance" xlink:label="iascf-pfs_CashCashEquivalentsEndingBalance" xlink:title="iascf-pfs_CashCashEquivalentsEndingBalance"/>
    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CashCashEquivalentsEndingBalance" xlink:to="_iascf-pfs_CashCashEquivalentsEndingBalance_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CashCashEquivalentsEndingBalance" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
      <iascf-pfs:Paragraph>66</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>g</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
      <iascf-pfs:Paragraph>66</iascf-pfs:Paragraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Paragraph>16</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>e</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Subparagraph>c</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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    <referenceArc xlink:type="arc" xlink:from="iascf-pfs_CapitalRedemptionReservesChangesReclassificationAssets" xlink:to="_iascf-pfs_CapitalRedemptionReservesChangesReclassificationAssets_link" xlink:show="embed" xlink:actuate="onRequest" xlink:title="Go up to: CapitalRedemptionReservesChangesReclassificationAssets" xlink:arcrole="http://www.xbrl.org/linkprops/arc/element-reference"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
      <iascf-pfs:Paragraph>86</iascf-pfs:Paragraph>
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    </reference>
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    <referenceArc xlink:type="arc" xlink:from="_iascf-pfs_CapitalRedemptionReservesChangesPurchaseTreasuryShares_link" xlink:to="iascf-pfs_CapitalRedemptionReservesChangesPurchaseTreasuryShares" xlink:show="replace" xlink:actuate="onRequest" xlink:title="Go down to: _iascf-pfs_CapitalRedemptionReservesChangesPurchaseTreasuryShares_link" xlink:arcrole="http://www.xbrl.org/linkprops/arc/reference-element"/>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Paragraph>86</iascf-pfs:Paragraph>
      <iascf-pfs:Subparagraph>f</iascf-pfs:Subparagraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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      <iascf-pfs:Paragraph>86</iascf-pfs:Paragraph>
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      <iascf-pfs:Name>IAS</iascf-pfs:Name>
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    <reference xlink:type="resource" xlink:label="_iascf-pfs_CapitalRedemptionReservesChangesCapitalReduction_link" xlink:title="iascf-pfs_CapitalRedemptionReservesChangesCapitalReduction">
      <iascf-pfs:Name>IAS</iascf-pfs:Name>
      <iascf-pfs:Number>1</iascf-pfs:Number>
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