BECK, H. Moritz Wagner als Geograph. ERDKUNDE, [S. l.], v. 7, n. 2, p. 125–128, 1953. DOI: 10.3112/erdkunde.1953.02.06. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1063. Acesso em: 8 oct. 2024.