FISCHER, K. Herbert Louis. ERDKUNDE, [S. l.], v. 39, n. 4, p. 245–248, 1985. DOI: 10.3112/erdkunde.1985.04.07. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2084. Acesso em: 7 oct. 2024.