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      <marc:subfield code="a">Gregor, Dennis J., </marc:subfield>
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      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Organic micropollutants in seasonal snowcover and firn / </marc:subfield>
      <marc:subfield code="c">D.J. Gregor.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute = Institut national de recherche sur les eaux, </marc:subfield>
      <marc:subfield code="c">[1991]</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">no. 91-10</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 27-37).</marc:subfield>
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      <marc:subfield code="a">"The Snow Chemistry Working Group of the International Commission on Snow and Ice received support under the Advanced Research Workshop program of the North Atlantic Treaty Organization (NATO) to convene a workshop and publish the proceedings thereof on the subject of "Processes of Chemical Change in Snowpacks". The workshop, restricted to 12 invited speakers and about 20 other observers and reviewers, was held at Maratea, Italy, July 23-27, 1990. This paper was invited by the organizers to review the subject of chemical change of organic micropollutants in snowpacks"--Management perspective.</marc:subfield>
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      <marc:subfield code="a">Includes management perspective in French.</marc:subfield>
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      <marc:subfield code="a">Atmospheric deposition</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada). </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">no. 91-10.</marc:subfield>
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