1. Metal Forming Handbook;Schuler,1998
2. ULSAB AVC Consortium (2001), ULSAB-AVC Body Structure Materials, Michigan, 2003.
3. Worldautosteel, http://www.ulsac.org/, Worldautosteel, International Iron and Steel Institute, Accessed on February 5 2004, Auto/Steel-Partnership, Collaborative product-process development guidelines for high strength steel stampings, 2003.
4. Mechanics of Sheet Metal Forming;Marciniak,2002
5. K. Xu, Effects of pressure on the coefficient of friction in friction tests, SAE Paper 2003-01-1153 in Advances in Forming and Modeling of Sheet Metals, 2003, pp. 117–122.