1. Fracture testing of high-strength sheet materials under conditions appropriate for stress analysis;Irwin;NRL Report 5486,1960
2. Plasticity aspects of fracture mechanics;McClintock,1965
3. A reassessment of deformation theories of plasticity;Budiansky;J. appl. Mech.,1959
4. Recent Trends in the Development of the Theory of Plasticity;Olzak,1960
5. Description of stress-strain curves by three parameters;Ramberg;NASA TN 902,1943