Grazing ecosystem and their social anthropological organization in Chile. David Contreras, Juan Gastó. 1984. Presentado en: Second International Rangeland Congress. UNESCO/MAB – International Council of Scientif Unions. Adelaida, Australia.
Grazing ecosystem and their social anthropological organization in Chile. David Contreras, Juan Gastó. 1984. Presentado en: Second International Rangeland Congress. UNESCO/MAB – International Council of Scientif Unions. Adelaida, Australia.