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United Nations Environment Programme ,  [Desertification Control Bulletin Number 35, 1999: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 35, 1999: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 29, 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 29, 1996: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Bulletin Number 15, 1987: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Bulletin Number 15, 1987: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  [Desertification Control Number 6, April 1982: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation] ,  Desertification Control Number 6, April 1982: A Bulletin of World Events in the Control of Desertification Restoration of Degraded Lands and Reforestation

United Nations Environment Programme ,  World Health Organization ,  International Labour Organisation ,  [Paraquat and Diquat - Environmental Health Criteria 39] ,  Paraquat and Diquat - Environmental Health Criteria 39

United Nations Environment Programme ,  World Health Organization ,  International Labour Organisation ,  [2, 4-Dichlorophenoxyacetic Acid (2,4-D) - Environmental Health Criteria 29] ,  2, 4-Dichlorophenoxyacetic Acid (2,4-D) - Environmental Health Criteria 29

United Nations Environment Programme ,  Global Environment Monitoring System ,  [GRID Pilot Phase 1985-87: Final Report - GRID Information Series No. 14] ,  GRID Pilot Phase 1985-87: Final Report - GRID Information Series No. 14

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 ,  Mediterranean Action Plan ,  [River Cetina Watershed and the Adjacent Coastal Area: Environmental and Socio-Economic Profile] ,  River Cetina Watershed and the Adjacent Coastal Area: Environmental and Socio-Economic Profile

United Nations Environment Programme ,  [The World Environment 1972-1992: Two Decades of Challenge] ,  The World Environment 1972-1992: Two Decades of Challenge