TY - Journal of Changjiang River Scientific Research Institute A1 - GUO Chen-wen, LIU Tian-xiang, YAO Ling-kan T1 - Relationship Between Knickpoint and Stability of Valley Slope Based on Hypsometric Integral Value Y1 - 2020-06-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 70 EP - 76 VL - 37 IS - 6 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20190221 ER -