1. The phenomena of rupture and flow in solids;Griffith;Phil. Trans. R. Soc. A,1921
2. Fracture in Handbuch der Physik, Vol. VI;Irwin,1958
3. Strength or toughness? A criterion for crack onset at a notch;Leguillon;Eur. J. Mech. A Solids,2002
4. The mathematical theory of equilibrium cracks in brittle fracture;Barenblatt,1962
5. Yielding of steel sheets containing slits;Dugdale;J. Mech. Phys. Solids,1960