GADE, D. w. Carl Troll on nature and culture in the Andes. ERDKUNDE, [S. l.], v. 50, n. 4, p. 301–316, 1996. DOI: 10.3112/erdkunde.1996.04.02. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2349. Acesso em: 30 apr. 2025.