TY - Journal of Changjiang River Scientific Research Institute A1 - WANG Kai, ZHANG Shao-jie, WEI Fang-qiang T1 - Slope Unit Extraction Methods: Advances and Prospects Y1 - 2020-06-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 85 EP - 93 VL - 37 IS - 6 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20190210 ER -