1. The theory of rupture;Griffith,1924
2. A path independent integral and the approximate analysis of strain concentration by notches and cracks;Rice;J. appl. Mech.,1968
3. Fatigue and Fracture of Metals;Orowan,1952
4. Analysis of stresses and strains near the end of a crack traversing a plate;Irwin;J. appl. Mech.,1957
5. Direct measurements of the surface energy of crystals;Gilman;J. appl. Phys.,1960