STANG, F. Die Rhein-Rhône-Verbindungen. ERDKUNDE, [S. l.], v. 21, n. 1, p. 57–62, 1967. DOI: 10.3112/erdkunde.1967.01.06. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1517. Acesso em: 8 oct. 2024.