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]
[Belgium. Commission de la "Belgica"] Expédition antarctique belge. Résultats du voyage du s.y. Belgica en 1897-1898-1899 ... Rapports scientifiques ... [v.II] Astronomie [et physique du globe]