1. A continuum approach to the fracture of metals;Drucker,1963
2. The mechanics of crack tip deformation and extension by fatigue;Rice,1967
3. Macroscopic fundamentals in brittle fracture;Drucker,1968
4. Mathematical analysis in the mechanics of fracture;Rice,1968
5. Analysis of stresses and strains near the end of a crack traversing a plate;Irwin;J. appl. Mech.,1957