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Author: U.S. Environmental Protection Agency Category: POLLUTION| Volume: Pages: Published In: Year: 1973
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Author: Tourbier, J. & R. Pierson Category: POLLUTION| Volume: Pages: PP 340 Published In: Pennsylvania Year: 1976
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Author: National Acad. of Sciences Category: POLLUTION Volume: Pages: PP 174 Published In: USA Year: 1977
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Author: Mannix, Daniel P. Category: POLLUTION|ECOLOGY|Natural History| Volume: Pages: Published In: Year:
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Author: Hynes, H.B.N. Category: POLLUTION| Volume: Pages: PP 202 Published In: Year: 1960
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