1. Numerical Solutions of Partial Differential Equations;Smith,1965
2. Advanced Mechanics of Materials;Ford,1960
3. An Introduction to Plasticity;Prager,1959
4. “The characteristic method of solution for the problem of plane plastic strain”;Hailing;Engineer,1959
5. “On the use of hodographs in problems of plane plastic strain”;Green;J. Mech. Phys. Solids,1954