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United Nations Interregional seminar on the development of the mineral resources of the continental shelf
Port-of-Spain, Trinidad and Tobago, 5-16 April 1971; technical papers; documents techniques
Engels | Frans | 172 pagina's | United Nations, New York | 1972
Gedrukt boek
United Nations Capital punishment
information from governments
Engels | Spaans | Frans | 84 pagina's | United Nations, New York, NY | 1972
Gedrukt boek