TY - RPRT TI - Use of longitudinal strain in identifying driving and resisting elements of landslides AU - R.L. Baum AU - R. W. Fleming PY - 1991 DO - 10.1130/0016-7606(1991)103<1121:uolsii>2.3.co;2 UR - https://pubs.usgs.gov/publication/70014943 ID - 70014943 ER -