Hansen-Bristow KJ, Ives JD. Composition, form, and distribution of the forest-alpine tundra ecotone, Indian Peaks , Colorado, USA. ERDKUNDE [Internet]. 1985 Dec. 31 [cited 2025 Apr. 30];39(4):286-95. Available from: https://www.erdkunde.uni-bonn.de/article/view/2081