1. Valanis, K.C.: A theory of viscoplasticity without a yield surface: general theory. Arch. Mech. 23, 517 (1971)
2. Valanis, K.C.: A theory of viscoplasticity without a yield surface: application to metals. Arch. Mech. 23, 535 (1971)
3. Valanis, K.C.: On the foundations of the endochronic theory of plasticity. Arch. Mech. 27, 857 (1975)
4. Valanis, K.C.: Some fundamental causes of a new intrinsic time measure. Plasticity as a limit of the endochronic theory. Arch. Mech. 32, 181 (1980)
5. Valanis, K.C.: Endochronic theory with proper loop closure properties. S-CUBED, Report SSS-R-80-4182 (1979)