KELLER, R. Die Grossen Seen Nordamerikas. ERDKUNDE, [S. l.], v. 13, n. 4, p. 319–343, 1959. DOI: 10.3112/erdkunde.1959.04.06. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1286. Acesso em: 4 dec. 2024.