Dornbusch, Uwe. “Current Large-Scale Climatic Conditions in Southern Peru and Their Influence on Snowline Altitudes”. ERDKUNDE 52, no. 1 (March 31, 1998): 41–54. Accessed April 22, 2025. https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2379.