TROLL, C. Wilhelm Credner. ERDKUNDE, [S. l.], v. 2, n. 2, p. 199–199, 1948. DOI: 10.3112/erdkunde.1948.02.01. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/888. Acesso em: 8 oct. 2024.