AGRIS - Système international des sciences et technologies agricoles

[ Publié dans: Pollution ]
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Résultats 91-100 de 101

Freshwater isopods (Asellidae) of North America

1972

Williams, W. D (William David)

National Agricultural Library - United States of America

Freshwater planarians (Turbellaria) of North America

1972

Kenk, Roman

National Agricultural Library - United States of America

Freshwater leeches (Annelida: Hirudinea) of North America

1972

Klemm, Donald J.

National Agricultural Library - United States of America

Crayfishes (Astacidae) of North and Middle America

1972

Hobbs, Horton H. (Horton Holcombe)

National Agricultural Library - United States of America

The freshwater amphipod crustaceans (Gammaridae) of North America

1972

Holsinger, John R.

National Agricultural Library - United States of America

Freshwater sphaeriacean clams (Mollusca: Pelecypoda) of North America

1972

Burch, J. B. (John Bayard)

National Agricultural Library - United States of America

The genus Argulus (Crustacea: Branchiura) of the United States

1972

Cressey, Roger F.

National Agricultural Library - United States of America

Aquatic dryopoid beetles (Coleoptera) of the United States

1972

Brown, Harley P.

National Agricultural Library - United States of America


Air pollution effects on potato and bean in southern Michigan

1972

Hooker, W. J. | Yang, T. C. | Potter, H. S.

National Agricultural Library - United States of America