<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.878111</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20221107165142</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr |n|||||||||</marc:controlfield>
    <marc:controlfield tag="008">190816e19731220onc||||#o    f000 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:subfield code="a">Co36-39/1973E-PDF</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Donaldson, A. Bruce </marc:subfield>
      <marc:subfield code="q">(Alistair Bruce), </marc:subfield>
      <marc:subfield code="d">1958- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="2">
      <marc:subfield code="a">A user orientated discussion of record telecommunications / </marc:subfield>
      <marc:subfield code="b">A. Bruce Donaldson.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Communications Canada, Government Telecommunications Agency, </marc:subfield>
      <marc:subfield code="c">December 20, 1973.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (1 volume (various pagings))</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:datafield tag="337" ind1=" " ind2=" ">
      <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: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="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"The objective of the report is to stimulate the awareness of the reader to the variety of record telecommunication techniques available to him. The approach taken to accomplish this objective, has been to briefly describe the various record telecommunication facilities offered by the common carriers and the record communication equipment suppliers. In addition, examples of application for these services have been given where it was felt it would clarify the description; moreover, an effort has been made to classify similar type services and to explain their similarities and differences"--Objective, page 1.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Telecommunications</marc:subfield>
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    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Communications.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">5.47 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/co36/Co36-39-1973-eng.pdf</marc:subfield>
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