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]
Bureau de recherches géologiques et minières ; Instituto geológico y minero de España ; coordination, Serge Courbouleix et Antonio Barnolas = Mapa geológico del Cuaternario de los Pirineos a escala 1:400,000 / Bureau de recherches géologiques et minières ; Instituto geológico y minero de España ; coordinación, Serge Courbouleix [y Antonio Barnolas]