Comparative Analysis of IBIS-L System and TM30 Total Station 
in Monitoring Slope Deformation
YU Hongchu,ZUO Xiaoqing,ZI Chenbo,XU Xiaokun,WANG Liqi,LIU Haibo
jgg . 2015, (4): 718 -721 .  DOI: 10.14075/j.jgg.2015.04.039