941 resultados para Detergent pollution of rivers, lakes, etc.
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"EPA/600/3-86/054."
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Prepared for Office, Chief of Engineers, U.S. Army, Washington, D.C.
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"August 1980."
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"A report on a conference at Zion, Illinois, which was supported by the Research Applications Directorate of the National Science Foundations, grant GI-30971".
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Prepared by Seaward International, Inc., under contract no. DOT-CG-80372-A.