6Spencer Jr B F, S J Dyke, M K Sain. Phenomenological model of a magnetorheological damper[ J]. ASCE Journal of Engineering Mechanics, 1996(3) :1-23.
7Boileau P E, Rakheja S. Whole-body vertical bio-dynamic response characteristics of the seated vehicle driver measurement and model development[ J]. International Journal of Industrial Ergonomics, 1998,22 : 449-472.