jgg     2015 35 (4):  718-721    ISSN: 0412-1961  CN: 21-1139/TG Comparative Analysis of IBIS-L System and TM30 Total Station  in Monitoring Slope Deformation 1 Faculty of Land and Resource Engineering, Kunming University of Science and Technology, 68 Wenchang Lane, Kunming 650093, China〖JP〗 2 Huaneng Lancang River Hydropower Co, Ltd, 1 Mid-Shijicheng Road, Kunming 650214, China Received: 2014-12-28  Revised: null  Online: 2015-07-29 Supporting info