7Matthew P, Lawrence W, Bethany A H. Some effects of lumbar support contour on driver seated posture[C]//International Congress & Exposition. Detroit, MI, USA.. SAE, 1995: 950141.
8Wu X,Rakheja S, Boileau P-E. Distribution of human-seat interface pressure on a soft automotive seat under vertical vibration [J]. International Journal of Industrial Ergonomics, 1999, 24 ( 5 ): 545-557.