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://www.erdkunde.uni-bonn.de/article/view/1813. Acesso em: 30 apr. 2025.