A. B. Ibitoye Abdel Magid S. Hamouda Shaw Voon Wong R. S. Radin Simulation of motorcyclist's kinematics during impact with W-Beam guardrail. 56-61 2006 37 Advances in Engineering Software 1 http://dx.doi.org/10.1016/j.advengsoft.2004.12.002 db/journals/aes/aes37.html#IbitoyeHWR06