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Marta Ottonello de G. Reinoso, Barbara Ruthsatz, Environment, Human Settlement, and Agriculture in the Puna de Jujuy, Argentina: A Case Study of Land-Use Change, Mountain Research and Development, Vol. 2, No. 1, State of Knowledge Report on Andean Ecosystems. Vol. 2: Human Population and Biosphere Interactions in the Central Andes (Feb., 1982), pp. 111-126
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Reinoso et al. (1982) studied this question.
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