A STUDY ON THE LAND DEGRADATION IN THE NEIGHBO-URING AREAS BETWEEN SHANXI, SHAANXI AND INNER MONGOLIA BY USING REMOTE SENSING METHODS
Zheng Xingnian, Wang Changyao, Lin Hengzhang, Wane Naibin, Chi Tianhe
Acta Geographica Sinica . 1993, (2): 161 -170 .  DOI: 10.11821/xb199302008