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://www.erdkunde.uni-bonn.de/article/view/1286. Acesso em: 21 may. 2025.