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United Nations Environment Programme ,  [Combating Desertification in the USSR: Problems and Experience] ,  Combating Desertification in the USSR: Problems and Experience

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  World Health Organization ,  [Water Resources Development and Vector-borne diseases in Kenya: Proceedings of a Seminar on Water Resources Development and Vector-Borne Diseases in Kenya] ,  Water Resources Development and Vector-borne diseases in Kenya: Proceedings of a Seminar on Water Resources Development and Vector-Borne Diseases in Kenya

United Nations Environment Programme ,  [Environmental Guidelines for Irrigation in Arid and Semi-Arid Areas - UNEP Environmental Management Guidelines No. 2] ,  Environmental Guidelines for Irrigation in Arid and Semi-Arid Areas - UNEP Environmental Management Guidelines No. 2

United Nations Environment Programme ,  [Desertification Control Number 7, December 1982] ,  Desertification Control Number 7, December 1982

United Nations Environment Programme ,  [Desertification Control Bulletin Number 33, 1998: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 33, 1998: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 28 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 28 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

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 ,  United Nations Educational, Scientific and Cultural Organization ,  [L'irrigation des terres arides dans les pays en développement et ses conséquences sur l'environnement - Notes Techniques du MAB 8] ,  L'irrigation des terres arides dans les pays en développement et ses conséquences sur l'environnement - Notes Techniques du MAB 8

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 ,  World Health Organization ,  Panel of Experts on Environmental Management for Vector Control ,  [Water Resources Development and Vector-Borne Diseases in Zambia - Report of a National Seminar] ,  Water Resources Development and Vector-Borne Diseases in Zambia - Report of a National Seminar