Xingang Wang Tangdai Xia Longju Zhang Min Gao Kang Cheng Field Geological Investigations and Stability Analysis of Duanjiagou Landslide. 23 2020 9 ISPRS Int. J. Geo Inf. 1 https://doi.org/10.3390/ijgi9010023 db/journals/ijgi/ijgi9.html#WangXZGC20