1. Wriggers P (2002) Computational contact mechanics. Chichester, Wiley
2. Oñate E, Zienkiewicz O (1983) A viscous shell formulation for the analysis of thin sheet metal forming. Int J Mech Sci 25: 305–335
3. Agelet de Saracibar C (1990) Finite element analysis of sheet metal forming processes. PhD thesis, Universitat Politecnica de Catalunya (in Spanish)
4. Oñate E, de Saracibar CA (1990) Analysis of sheet metal forming problems usig a selective bending-membrane formulations. Int J Num Meth Eng 30
5. Sosnowski W, Bednarek T, Kowalczyk P (2010) Stability and uniqueness of flow approach algorithm in sheet metal forming simulations. Comput Methods Mater Sci 10(1): 30–36