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      <marc:subfield code="a">Odell, Emma C., </marc:subfield>
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      <marc:subfield code="a">The correlation between light intensity and the bathymetric distribution of marine copepods / </marc:subfield>
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      <marc:subfield code="a">"This paper is a discussion of copepods and light intensities: the relationship between them with respect to distribution"--Page 4.</marc:subfield>
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      <marc:subfield code="a">Manuscript reports of the biological stations ;</marc:subfield>
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