ouvrage

Glossary of commonly used biological and related terms in water and waste water control

J. Geckler ; W. Ingram ; US DEPARTMENT OF HEALTH EDUCATION AND WELFARE ; K. Mackenthun | education and welfare, Cincinnati : US depatment of health | 1963

The purpose of this glossary is to serve as an introduction to the aquatic biologist's technical terminology.

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Validity of laboratory tests for predicting copper toxicity in streams

J. Geckler ; ENVIRONMENTAL RESEARCH LABORATORY DULUTH CINCINNATI OHIO USA | S.E. | EPA-600-3-76-116-PB 264 867 | 1976

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