1. Partnership Program, Stamping Process Variation: An Analysis of Stamping Process Capability and Implications for Design, Die Tryout and Process Control. Technical Report.;Auto/Steel report,1999
2. Variations of the stamping process;Blumel,1988
3. Empirical Model-Building and Response Surface;Box,1987
4. Investigation on press forming scatter origin;Col,2003
5. Recent progress on the understanding of springback. Computer modelling of sheet metal forming processes;Davies,1985