李鴻源Hwang, S. T.S. T.HwangLee, Hong-YuanHong-YuanLee2009-02-192018-07-092009-02-192018-07-091992-10http://ntur.lib.ntu.edu.tw//handle/246246/135042en-USOn Headcutting Behaviors of a Backward Facing Stepconference paper