THIEL, E. Die Eiszeit in Sibirien. ERDKUNDE, [S. l.], v. 5, n. 1, p. 16–35, 1951. DOI: 10.3112/erdkunde.1951.01.03. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/975. Acesso em: 8 oct. 2024.