1. The Mathematical Theory of Plasticity;Hill,1950
2. A continuous damage mechanics model for ductile fracture;Lemaitre;J. Engng. Mat. Tech., Trans. ASME,1985
3. Mechanics of Solid Materials;Lemaitre,1990
4. J.M.A. César de Sá, P.M.A. Areias, C. Zheng, Damage modelling in metal forming problems using an implicit non-local gradient model, Comput. Methods Appl. Mech. Eng., in press.