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United Nations Environment Programme ,  Basel Convention ,  [Workshop on the Strengthening of Co-operation Based on Chemicals and Hazardous Wastes Conventions: 12th Training Course - Prague, March 15 - 17, 2004] ,  Workshop on the Strengthening of Co-operation Based on Chemicals and Hazardous Wastes Conventions: 12th Training Course - Prague, March 15 - 17, 2004

United Nations Environment Programme ,  GRID-Arendal ,  [Feasibility Study for the Establishment of a UNEP/GRID-Compatible Environmental Information Network in Hungary] ,  Feasibility Study for the Establishment of a UNEP/GRID-Compatible Environmental Information Network in Hungary

United Nations Environment Programme ,  International Lake Environment Committee ,  [Guidelines of Lake Management Volume 3: Lake Shore Management] ,  Guidelines of Lake Management Volume 3: Lake Shore Management