114 resultados para Hydrobiology and pollution
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Mode of access: Internet.
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"Held ... under the sponsorship of the Division of Water Supply and Pollution Control and the Robert A. Taft Sanitary Engineering Center."
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"Compiled from basic data files of the Connecticut Water Resources Commission."
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Supported by Division of Water Supply and Pollution Control U.S. Public Health Service Research Project WP-138.
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"Supported by Division of Water Supply and Pollution Control U. S. Public Health Service Research Project WP-00047"
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Vita.
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Bibliography: p. 54.
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Mode of access: Internet.