LAUTENSACH, H. Der XVI. Internationale Geographenkongress 1949. ERDKUNDE, [S. l.], v. 3, n. 2/3, p. 168–170, 1949. DOI: 10.3112/erdkunde.1949.02.10. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/927. Acesso em: 13 mar. 2025.