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United Nations Environment Programme ,  Global Environment Monitoring System ,  [Global Digital Datasets for Land Degradation Studies: a GIS Approach - GRID Case Study Series No. 4] ,  Global Digital Datasets for Land Degradation Studies: a GIS Approach - GRID Case Study Series No. 4

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  World Health Organization ,  Global Environment Monitoring System ,  [Guidelines for Establishing or Strengthening National Food Contamination Monitoring Programmes] ,  Guidelines for Establishing or Strengthening National Food Contamination Monitoring Programmes

United Nations Environment Programme ,  Global Environment Monitoring System ,  [GRID Data Distribution Policy - GRID Information Series No. 17] ,  GRID Data Distribution Policy - GRID Information Series No. 17

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