1. John O Hallquist (2007) LS-DYNAQR Keyword user’s manual vol 1 + 2. Livermore Software Technology Corporation
2. Bradley N. Maker, Xinhai Zhu (2003) A Procedure for Springback Analysis Using LS-DYNA. Livermore Software Technology Corporation
3. Benny Endelt (2003) Least Square Optimization Techniques Applied on Sheet Metal Forming - Inverse Identification of Constitutive Parameters and Optimization of Process Parameters. PhD thesis, The Faculty of Engineering and Science, Aalborg University
4. Zharkov VA (1995) Theory and Practice of Deep Drawing. Mechanical Engineering Publications Limited
5. Barlat F, Lian J (1989) Plastic behaviour and stretchability of sheet metals. Part 1: A yield function for orthotropic sheets under plane stress conditions. Int J Plast 5:51–66