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Xu Jianchu, Jefferson Fox, Lu Xing, Nancy Podger, Stephen Leisz, Ai Xihui, Effects of Swidden Cultivation, State Policies, and Customary Institutions on Land Cover in a Hani Village, Yunnan, China, Mountain Research and Development, Vol. 19, No. 2 (May, 1999), pp. 123-132
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JianChu et al. (1999) studied this question.
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