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      <marc:subfield code="a">Desjardins, R. L., </marc:subfield>
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      <marc:subfield code="a">"Digitized by the Internet Archive in 2012 with funding from Agriculture and Agri-Food Canada - Agriculture et Agroalimentaire Canada."</marc:subfield>
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      <marc:subfield code="a">"Technical report: net methane emissions from agroecosystems in Canada for the years 1986 and 1991."</marc:subfield>
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      <marc:subfield code="a">Agri-Environmental Indicator Project (Canada), </marc:subfield>
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