Commission for the Geological Map of the World, Ministery of Mines and Energy, National Department of Mineral Production (Brazil), with the collaboration of Unesco ; co-ordinator general, Fernando Flávio Marques de Almeida ; [translation from the Spanish text by Frances Delany]
prepared by the Unesco Social Science Documentation Centre with the co-operation of the International Committee for Social Science Information and Documentation
Date
1981
Series
Services mondiaux d'information en sciences sociales ; 3
prepared by the International Union for Conservation of Nature and Natural Resources (IUCN) with the advice, cooperation, and financial assistance of the United Nations Environment Programme (UNEP) and the World Wildlife Fund (WWF) and in collaboration with the Food and Agriculture Organization of the United Nations (FAO) and the United Nations Educational, Scientific, and Cultural Organization (Unesco)