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United Nations Environment Programme ,  [Report of the Expert Group Workshop on River/Lake Basin Approaches to Environmentally Sound Management of Water Resources] ,  Report of the Expert Group Workshop on River/Lake Basin Approaches to Environmentally Sound Management of Water Resources

United Nations Environment Programme ,  [Rainwater Utilization for the World's People - Proceedings Volume 2] ,  Rainwater Utilization for the World's People - Proceedings Volume 2

United Nations Environment Programme ,  World Meteorological Organization ,  United Nations Educational, Scientific and Cultural Organization ,  Food and Agriculture Organization of the United Nations ,  Intergovernmental Oceanographic Commission ,  International Council of Scientific Unions ,  [Climate Change: Science, Impacts and Policy - Proceedings of the Second World Climate Conference] ,  Climate Change: Science, Impacts and Policy - Proceedings of the Second World Climate Conference

United Nations Environment Programme ,  [Background Paper: Draft Report of the Appropriate technology within the United Nations System - Thematic Joint Programming on Environmentally-Sound and Appropriate Technology Geneva, 23-24 October 1978-] ,  Background Paper: Draft Report of the Appropriate technology within the United Nations System - Thematic Joint Programming on Environmentally-Sound and Appropriate Technology Geneva, 23-24 October 1978-

United Nations Environment Programme ,  [Rainwater Utilization for the World's People- Proceedings Volume 1] ,  Rainwater Utilization for the World's People- Proceedings Volume 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. II] ,  Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. II

United Nations Environment Programme ,  WORLD METEOROLOGICAL ORGANIZATION ,  [L'atmosphère en evolution: Implications pour Ia sécurité du globe -Actes Dela Conference] ,  [The Changing Atmosphere: Implications for Global Security - Conference Proceedings] ,  The Changing Atmosphere: Implications for Global Security - Conference Proceedings

United Nations Environment Programme ,  United Nations Educational, Scientific and Cultural Organization ,  [Regional Workshop on Water Resources Assessment and Integrated Management : Water Supply and Pollution Control] ,  Regional Workshop on Water Resources Assessment and Integrated Management : Water Supply and Pollution Control

United Nations Educational, Scientific and Cultural Organization ,  United Nations Environment Programme ,  [The Impact of Large Water Projects on the Environment - Proceedings of an International Symposium] ,  The Impact of Large Water Projects on the Environment - Proceedings of an International Symposium