Diet of Huemul deer (Hippocamelus bisulcus) in Nahuel Huapi National Park, Argentina. Studies on Neotropical Fauna and Enviroment, April 2005; 40(1): 1-5
Alpine Tundra on Mt. Catedral in the Southern Andes. New Zealand Journal of Botany, vol 4, no.1. March, 1966.