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[27]
Quantitative analysis of the dynamic change and spatial differences of the ecological security: a case study of Loess Plateau in northern Shaanxi Province[J]. LI Jing, REN Zhiyuan, ZHOU Zixiang (College of Tourism and Environmental Sciences, Shaanxi Normal University, Xi’an 710062, China).Journal of Geographical Sciences. 2006(02)
[28]
The causes of land landscape changes in semi-arid area of Northwest China: a case study of Yulin city[J]. GUO Liying1, REN Zhiyuan1, LIU Yansui2 (1. College of Tourism and Environmental Sciences, Shaanxi Normal University, Xi’an 710062, China;2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China).Journal of Geographical Sciences. 2006(02)