%0 Journal Article %J Mountain Research and Development %D 1993 %T Evolution of High Andean Puna Ecosystems - Environment, Climate, and Culture Change over the Last 12,000 Years in the Central Andes %A Baied, Carlos A. %A Wheeler, Jane C. %K Multidisciplinary-AGRI %L UCSB : Sciences Engineer %P 145-156 %V 13 %Z MAY