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Spatio-temporal Change of Land Use and Converting Slope Farmland into Forest and Grassland in Yanan Ecological Construction Demonstration Area
Chen Guojian, Zhang Xiaoping, Li Rui, Yang Qinke
Chinese Agricultural Science Bulletin . 2005, (5): 418 -418 .  DOI: 10.11924/j.issn.1000-6850.0505418