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United Nations Environment Programme ,  [Eutrosym '76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. I, Part 1] ,  Eutrosym '76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. I, Part 1

United Nations Environment Programme ,  Institute of Water Management of the Ministry of Environmental Protection and Water Management of the German Democratic Republic ,  [Eutrosym '76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water Vol. I, Part 2] ,  Eutrosym '76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water Vol. I, Part 2

United Nations Environment Programme ,  Institute of Water Management of the Ministry of Environmental Protection and Water Management of the German Democratic Republic ,  [Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. II] ,  Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. II

United Nations Environment Programme ,  Institute of Water Management of the Ministry of Environmental Protection and Water Management of the German Democratic Republic ,  [Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water – Vol. IV] ,  Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water – Vol. IV

United Nations Environment Programme ,  United Nations Educational, Scientific and Cultural Organization ,  World Meteorological Organization ,  World Health Organization ,  [Meeting of the Eighth Session of the Scientific Advisory Committee of the World Climate Impact Assessment and Response Strategies Programme - GEMS Report Series No.11] ,  Meeting of the Eighth Session of the Scientific Advisory Committee of the World Climate Impact Assessment and Response Strategies Programme - GEMS Report Series No.11

United Nations Environment Programme ,  World Health Organization ,  World Meteorological Organization ,  United Nations Educational, Scientific and Cultural Organization ,  [Report of the Meeting of the Ninth Session of the Scientific Advisory Committee of the World Climate Impact Assessment and Response Strategies Programme - GEMS Report Series No. 20] ,  Report of the Meeting of the Ninth Session of the Scientific Advisory Committee of the World Climate Impact Assessment and Response Strategies Programme - GEMS Report Series No. 20

United Nations Environment Programme ,  [Recommendations for Utilization of Microbiological Process for Controlling Desertification and Improving the Productivity of Arid Lands] ,  Recommendations for Utilization of Microbiological Process for Controlling Desertification and Improving the Productivity of Arid Lands

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  [Papers presented at the FAO/UNEP Meeting on Toxicity and Bioaccumulation of Selected Substances in Marine Organisms - FAO Fisheries Report No. 334 Supplement] ,  Papers presented at the FAO/UNEP Meeting on Toxicity and Bioaccumulation of Selected Substances in Marine Organisms - FAO Fisheries Report No. 334 Supplement

United Nations Environment Programme ,  [Rain and Storm Water Harvesting for Additional Water Supply in Rural Areas] ,  Rain and Storm Water Harvesting for Additional Water Supply in Rural Areas

United Nations Environment Programme ,  [First International Expert Meeting on the Global Environment Outlook Process] ,  First International Expert Meeting on the Global Environment Outlook Process