HASTENRATH, S.; ROSTOM, R. Variations of the Lewis and Gregory Glaciers, Mount Kenya, 1978-86-90. ERDKUNDE, [S. l.], v. 44, n. 4, p. 313–317, 1990. DOI: 10.3112/erdkunde.1990.04.06. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2219. Acesso em: 30 apr. 2025.