PFEIFER, G. Internationaler Kongress zur Geschichte der Entdeckungen: Lissabon 5-12, Sept. 1960. ERDKUNDE, [S. l.], v. 15, n. 2, p. 143–144, 1961. DOI: 10.3112/erdkunde.1961.02.07. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1344. Acesso em: 11 dec. 2024.