1. Crack extension force for a part through crack in a plate;Irwin;Trans. A.S.M.E. J. appl. Mech.,1962
2. A semiempirical fracture analysis for small surface cracks;Orange;NASA Tech. Note No. D-5340,1969
3. Plane strain crack toughness testing of high strength metallic materials;Brown;ASTM STP 410,1966
4. Severity of material flaws as fracture origins, and a study of the surface-cracked specimen;Randall;AFML-TR-66-204,1966
5. Stress intensity magnification factors for surface-flawed tension plate and notched round tension bar;Kobayashi,1969