FICKELER, P. Wilhelm Filchner (1877-1957). ERDKUNDE, [S. l.], v. 11, n. 3, p. 233–234, 1957. DOI: 10.3112/erdkunde.1957.03.07. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1212. Acesso em: 8 oct. 2024.