[ 发表于: Pollution ]
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IMCO/FAO/UNESCO/WMO/WHO/IAEA/UN Joint Group of Experts on the Scientific Aspects of Marine Pollution (GESAMP). Report of the ninth Session, New York, 7-11 March 1977
1977
Russian ed. issued by WHO, Geneva
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Food and Agriculture Organization of the United Nations - Italy
Reliability of nitrification systems with integrated phosphorus precipitation
1977
Sutton, P. M.
National Agricultural Library - United States of America
Report to the Congress on ocean pollution, overfishing, and offshore development
1977
The Biodiversity Heritage Library - United Kingdom
