1. The phenomenon of rupture and flow in solids;Griffith;Phil. Trans. Roy. Soc. A,1920
2. Energy criteria of fracture;Orowan;Welding J. Res. Suppl.,1955
3. Analysis of stresses and strains near the end of a crack traversing a plate;Irwin;J. Appl. Mech.,1957
4. The propagation of cracks and the energy of elastic deformation;Bueckner;Trans. Amer. Soc. Mech. Engs.,1958
5. Fracture of metals: theoretical considerations;Mott;Engineering,1948