TY - Journal of Yangtze River Scientific Research Institute A1 - XIA Xiong-bin, QIAO Li-jia, XU Wan-zhong T1 - Investigation and Cause Analysis of Dangerous Rock Masses on High and Steep Slope Based on Airborne LiDAR and UAV Imagery Y1 - 2023-09-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 188 EP - 194 VL - 40 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20220394 ER -