Impact of Chi-Chi earthquake on the occurrence of landslides and debris flows: example from the Chenyulan River watershed, Nantou, Taiwan - Lin, Ching-Weei; Shieh, Chjeng-Lun; Yuan, Bee-Deh; Shieh, Yeou-Chung; Liu, Shou-Heng; Lee, Sen-Yuan (Engineering Geology, 2004)