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      <marc:subfield code="a">Co24-3/9-11-1974E-PDF</marc:subfield>
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      <marc:subfield code="a">Bowen, R. R., </marc:subfield>
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      <marc:subfield code="a">A simplified model of the Canadian terrestrial trunk communications network / </marc:subfield>
      <marc:subfield code="c">by R.R. Bowen, Systems Modelling and Analysis, R.V. Baser, Simulation Services, and E.A. Walker and R.L. Hutchison, Needs and Environmental Research.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">[Communications Research Centre], </marc:subfield>
      <marc:subfield code="c">May 1974.</marc:subfield>
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      <marc:subfield code="a">1 online resource (ii, 128, ii pages) : </marc:subfield>
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      <marc:subfield code="a">DLDCNS report ; </marc:subfield>
      <marc:subfield code="v">no. 11</marc:subfield>
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      <marc:subfield code="a">At head of title: Domestic long-distance communication network study, communication systems engineering.</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:subfield code="a">Some pages rotated in this copy.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">Issued also in printed form.</marc:subfield>
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      <marc:subfield code="a">Systèmes de télécommunications</marc:subfield>
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      <marc:subfield code="a">Communications Research Centre (Canada), </marc:subfield>
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      <marc:subfield code="a">DLDCNS report ;</marc:subfield>
      <marc:subfield code="v">no. 11.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.882842</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">2.30 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2021/isde-ised/co24/Co24-3-9-11-1974-eng.pdf</marc:subfield>
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