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Water pollution and management
1983
Varshney, C. K.
"Collection of essays based on lectures delivered during a course on "Aquatic Ecology" organised by C.K. Varshney at the School of Environmental Sciences, Jawaharlal Nehru University, New Delhi ..."--Foreword.
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National Agricultural Library - United States of America
An assessment of agricultural nonpoint source pollution in selected high priority watersheds in Pennsylvania
1983
Schueller, John P.
National Agricultural Library - United States of America
