1. Fatigue-crack propagation in some ultrahigh strength steels;Wei;ASTM STP,1967
2. Plane strain crack toughness testing of high strength metallic materials;Brown;ASTM STP,1966
3. Measurements of electrical potential for detecting crack extension in COD tests;Davies;Nature,1970
4. Ductile crack initiation in pressure-vessel steels;Clark,1978
5. Experimental verification of the JIC and equivalent energy methods for the evaluation of the fracture toughness of steels;Marandet;ASTM STP,1977