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      <marc:subfield code="a">McKenzie, R. A., </marc:subfield>
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      <marc:subfield code="a">The Canadian Atlantic cod investigations (up to December 1940) / </marc:subfield>
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      <marc:subfield code="a">Manuscript reports of the biological stations ; </marc:subfield>
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      <marc:subfield code="a">"The cod studies carried out under the auspices of the Fisheries Research Board have had as their object the elucidation of the life history of the cod in Canadian waters. These studies have dealt with several phases of the problem"--Investigations, page 2.</marc:subfield>
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      <marc:subfield code="a">Morue</marc:subfield>
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      <marc:subfield code="a">Fisheries Research Board of Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Manuscript reports of the biological stations ;</marc:subfield>
      <marc:subfield code="v">no. 252.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.899091</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs52-3/Fs52-3-252-eng.pdf</marc:subfield>
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