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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">170206s1994    onc    #o    f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">NH18-1/409-1994E-PDF</marc:subfield>
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      <marc:subfield code="a">Senf, Norbert.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Air requirements and related parameters for masonry heating systems </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">prepared by Norbert Senf.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Canada Mortgage and Housing Corporation, </marc:subfield>
      <marc:subfield code="c">1994.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">29, [3] p. : </marc:subfield>
      <marc:subfield code="b">ill.</marc:subfield>
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      <marc:subfield code="a">Research report</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">"March 3, 1994."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Although based on designs that are hundreds of years old, the operating characteristics of masonry heaters make them particularly suitable for modem, energy-efficient housing. However, it is not clear how much air they will draw from the house during operation. This research was designed to answer that question"--Executive Summary.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Canada Mortgage and Housing Corporation. </marc:subfield>
      <marc:subfield code="b">Research Division.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Research report (Canada Mortgage and Housing Corporation : Online)</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.59 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/schl-cmhc/nh18-1/NH18-1-409-1994-eng.pdf</marc:subfield>
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