1. A Theory of Elastic, Plastic and Creep Deformation of an Initially Isotropic Material Showing Anisotropic Strain Hardening, Creep Recovery and Secondary Creep;Besseling;ASME J. Appl. Mech.,1958
2. A Mathematical Representation of the Multiaxial Bauschinger Effect;Armstrong;CEGB Report, RD/B/N/731,1966
3. On a Class of Models for the Yielding Behavior of Continuous and Composite Systems;Iwan;ASME J. Appl. Mech.,1967
4. On the Description of Anisotropic Workhardening;Mroz;J. Mech. Phys. Solids,1967
5. A Theory of Viscoplasticity Without a Yield Surface;Valanis;Arch. Mech.,1971