CAUKWELL, R. A.; HASTENRATH, S. A new map of Lewis Glacier, Mount Kenya. ERDKUNDE, [S. l.], v. 31, n. 2, p. 85–87, 1977. DOI: 10.3112/erdkunde.1977.02.02. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1813. Acesso em: 3 dec. 2024.