1. Fundamentals of Fracture Mechanics;Knott,1973
2. Relation between KIC and microscopic strength for low alloy steels;Malkin;Engng Fracture Mech.,1971
3. On the relationship between critical tensile stress and fracture toughness in mild steel;Ritchie;J. Mech. Phy. Solids,1973
4. Correlations of plane strain crack toughness with strain hardening characteristics of a low, a medium and a high strength steel;Kraft;Appl. Mat. Res.,1964
5. Crack opening displacement and fibrous fracture in mild steel;Smith,1971