2Hisashi H,Takeo N. Recent trends in sheet metals and their formability in manufacturing automotive panels [J]. Journal of Materials Processing Technology, 1994. 46 :455-487
3Ishigaki, H okamoto. Analysis of growth and disappearance of surface deflection in press forming of largesized autobody panels[J]. International Journal of Vehicle Design, 1985.6(2):240-256
4Shimomura, Yoshida T. Study of surface deflection in door outer panel[C]. 13th Biennial Congress-International Deep Drawing Research Group: Efficiency in Sheet Metal Forming, 1984 Sponsored by: Int Deep Drawing Research Group, 1984 : 46-53
5Satoh,Taichi. Study of the growth mechanism and removal techniques of surface deflection observed in auto- body outer panels[C]. 13th Biennial Congress-International Deep Drawing Research Group: Efficiency in Sheet Metal Forming, 1984 Sponsored by: Int Deep Drawing Research Group, 1984 :54-61