114 resultados para Hydrobiology and pollution
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Includes bibliographies.
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"Presented at the Water quality management training course conducted by the Water Supply and Pollution Control Training Program, Robert A. Taft Sanitary Engineering Center, Cincinnati, Ohio, March 4, 1963."
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Contract no. 68-01-2821.
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Cover title.
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Aug. 1979.
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Earlier ed., 1965, issued by U.S. Robert A. Taft Sanitary Engineering Center, Cincinnati.
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Mode of access: Internet.