Rundel, Philip W.; Beatriz Palma (tháng 8 năm 2000). “Preserving the Unique Puna Ecosystems of the Andean Altiplano: A Descriptive Account of Lauca National Park, Chile”. Mountain Research and Development. 20 (3): 262–271. doi:10.1659/0276-4741(2000)020[0262:PTUPEO]2.0.CO;2. JSTOR3674276.
jstor.org
Rundel, Philip W.; Beatriz Palma (tháng 8 năm 2000). “Preserving the Unique Puna Ecosystems of the Andean Altiplano: A Descriptive Account of Lauca National Park, Chile”. Mountain Research and Development. 20 (3): 262–271. doi:10.1659/0276-4741(2000)020[0262:PTUPEO]2.0.CO;2. JSTOR3674276.