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2. Bardet J. F. “Application of Plasticity Theory to Soil Behavior: A New Sand Model ” thesis presented to the California Institute of Technology at Calif. in 1983 in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
3. Endochronic inelasticity and incremental plasticity
4. Work inequalities for plastic fracturing materials
5. A Theory of Elastic, Plastic, and Creep Deformations of an Initially Isotropic Material Showing Anisotropic Strain-Hardening, Creep Recovery, and Secondary Creep