ID:DA08596403
United Nations. Centre for Natural Resources, Energy and Transport
United Nations. Dept. of Economic and Social Affairs. Centre for Natural Resources, Energy, and Transport
United Nations. Centre for Natural Resources, Energy, and Transport
United Nations. Dept. of Economic and Social Affairs. Resources and Transport Division
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United Nations, Natural Resources and Energy Division, Department of Technical Co-operation for Development
Published in co-operation with the United Nations by Graham & Trotman 1982
Available at 3 libraries
