HANSEN-BRISTOW, K. J.; IVES, J. D. Composition, form, and distribution of the forest-alpine tundra ecotone, Indian Peaks , Colorado, USA. ERDKUNDE, [S. l.], v. 39, n. 4, p. 286–295, 1985. DOI: 10.3112/erdkunde.1985.04.04. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2081. Acesso em: 7 oct. 2024.