HASTENRATH, S.; ROSTOM, R.; CAUKWELL, R. A. Variations of mount Kenya´s glaciers 1963-1987. ERDKUNDE, [S. l.], v. 43, n. 3, p. 202–210, 1989. DOI: 10.3112/erdkunde.1989.03.05. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2185. Acesso em: 3 dec. 2024.