STEIN, N. Podsole, Relief und Vegetation in Nordborneo. ERDKUNDE, [S. l.], v. 42, n. 4, p. 294–310, 1988. DOI: 10.3112/erdkunde.1988.04.05. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2166. Acesso em: 12 apr. 2025.