1. Analysis of stresses and strains near the end of a crack traversing a plate;Irwin;Trans. ASME, J. Appl. Mech.,1957
2. The phenomenon of rupture and flaw in solids;Griffith;Trans. R. Soc. Lond.,1920
3. Subcritical flaw growth;Johnson;Engng Fracture Mech.,1968
4. A critical analysis of crack propagation laws;Paris;Trans. ASME, J. Basic Engng,1963