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[
Published in
: Pollution
]
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Publication Date
1972
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Publication Date
1974
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1972
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1971
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1970
(1)
Language
English
(100)
French
(2)
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(1)
Spanish; Castilian
(1)
Data Provider
National Agricultural Library
(95)
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(5)
Institut national de la recherche agronomique
(1)
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United States of America
(95)
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pollution
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water
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north america
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purification
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water pollution
(9)
sewage
(8)
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california
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Results 101-101 of 101
Biota of freshwater ecosystems
1972-9999
freshwater invertebrates
north america
freshwater animals
National Agricultural Library - United States of America
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