79 resultados para Aquatic humic substance
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Mode of access: Internet.
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Mode of access: Internet.
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"November 1982."
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Mode of access: Internet.
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Mode of access: Internet.
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"September 2000."
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Mode of access: Internet.
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Preface signed: John Dalzel.
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Presented at the Olympia theater in conjunction with the Venice exhibit London International Exhibition.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Made up set; supplied title.
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Leaves variously numbered.
The role of aquatic vascular plants in the eutrophication of selected lakes in western Massachusetts
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"A project supported under Section 100, Water resources research act of 1964 (p. L. 88-379."