1. Plasticity in Reinforced Concrete;Chen,1982
2. Finite element ultimate load analysis of three dimensional concrete structures;Argyris,1974
3. Constitutive model for the triaxial behaviour of concrete. Paper III-1;Willam,1974
4. A unified stress-strain law for triaxial concrete failure;Argyris,1975
5. The Mathematical Theory of Plasticity;Hill,1950