<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.879525</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20221107165534</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">190920s1979    onc     ob   f001 0 eng d</marc:controlfield>
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      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
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      <marc:subfield code="a">n-cn---</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">Co23-95/1979E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Leduc, N. F., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="4">
      <marc:subfield code="a">The development of telecommunications services : </marc:subfield>
      <marc:subfield code="b">a review of projects / </marc:subfield>
      <marc:subfield code="c">N.F. Leduc, C.D. Shepard, E. McFarlane, J. Costa.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Department of Communications Canada : </marc:subfield>
      <marc:subfield code="b">Bell Canada, </marc:subfield>
      <marc:subfield code="c">1979.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">1 online resource (3 volumes)</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references and index.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="505" ind1="1" ind2=" ">
      <marc:subfield code="a">v. 2. Trip reports -- v. 3. Summaries and bibliography.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"The Review of Projects on Future Communications Services was a joint study by Bell Canada and the Canadian Federal Government Department of Communications (DOC) initiated in late 1977. The intention was to gather information on the trials of telecommunication-based services undertaken in various countries. This material would then be available to both Bell Canada and DOC respectively in formulating plans for field trials and pilot tests of new communication services for the home and business"--Introduction, page 1.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Telecommunication</marc:subfield>
      <marc:subfield code="x">Research</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Telecommunication systems</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Télécommunications</marc:subfield>
      <marc:subfield code="x">Recherche</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Systèmes de télécommunications</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Communications.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Bell Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">10.78 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/isde-ised/co23/Co23-95-1979-2-eng.pdf</marc:subfield>
      <marc:subfield code="z">v. 2</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">16.60 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/isde-ised/co23/Co23-95-1979-3-eng.pdf</marc:subfield>
      <marc:subfield code="z">v. 3</marc:subfield>
    </marc:datafield>
  </marc:record>
</marc:collection>
