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United Nations Environment Programme ,  [Desertification Control Bulletin: A Bulletin of World Events in the Control of Deserts, Restoration of Degraded Lands and Reforestation Number 20, 1991] ,  Desertification Control Bulletin: A Bulletin of World Events in the Control of Deserts, Restoration of Degraded Lands and Reforestation Number 20, 1991

United Nations Industrial Development Organization ,  International Centre for Genetic Engineering and Biotechnology ,  United Nations Environment Programme ,  [Genetically Modified Organisms: A Guide to Biosafety] ,  Genetically Modified Organisms: A Guide to Biosafety

United Nations Environment Programme ,  [Desertification Control Bulletin Number 32, 1998: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 32, 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 24, 1994: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 24, 1994: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 16, 1988: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 16, 1988: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 21, 1992: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 21, 1992: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Supplement to Number 10, 1984: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Supplement to Number 10, 1984: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 36, 2000: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 36, 2000: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  World Meteorological Organization ,  [Equity and Social Considerations Related to Climate Change: Papers Presented at the IPCC Working Group III Workshop on Equity and Social Considerations Related to Climate Change, Nairobi, Kenya, 18-22 July 1994] ,  Equity and Social Considerations Related to Climate Change: Papers Presented at the IPCC Working Group III Workshop on Equity and Social Considerations Related to Climate Change, Nairobi, Kenya, 18-22 July 1994

United Nations Environment Programme ,  [Future Developments Without Targeted Policies - Global Environment Outlook (GEO-6): Healthy Planet, Healthy People Chapter 21] ,  Future Developments Without Targeted Policies - Global Environment Outlook (GEO-6): Healthy Planet, Healthy People Chapter 21