1. A theory of viscoplasticity without a yield surface, Part I: General theory;Valanis;Arch. of Mech.,1971
2. A theory of viscoplasticity without a yield surface, Part II: Application to the mechanical behavior of metals;Valanis;Arch. of Mech.,1971
3. On the foundations of the endochronic theory of viscoplasticity;Valanis;Arch. of Mech.,1975
4. Some recent developments in the endochronic theory of plasticity — the concept of internal barriers;Valanis,1976
5. Physical mechanisms in the autochronic theory of plastic deformation and fatigue failure;Lee,1978