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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">IRA project : </marc:subfield>
      <marc:subfield code="b">inter-regional telecommunications accounting : final report on the first phase of the project / </marc:subfield>
      <marc:subfield code="c">prepared by le Laboratoire d'économetrie de l'Université Laval and Sorès Inc.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">[Department of Communications], </marc:subfield>
      <marc:subfield code="c">March 31, 1974.</marc:subfield>
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      <marc:subfield code="a">1 online resource (iii, 115, 2 pages, 132 unnumbered pages) : </marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
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    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references. </marc:subfield>
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    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"This Report contains a description of an Operational Research model constructed during the First Phase of the IRA Project. The purpose of the model is to simulate the financial consequences of various costing and accounting procedures and of various revenue sharing schemes concerning inter-regional telecommunications, each time with a given state of the network and its operating characteristics"--Foreword.</marc:subfield>
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      <marc:subfield code="a">Includes abstract and text in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/Co22/Co22-195-1-2-1974-eng.pdf</marc:subfield>
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