1. Ultrasonic and metallurgical evaluations or flaws in large rotor forgings;Renner,1967
2. State of the Art of the WOL specimen for KIC fracture toughness testing;Wessel;Engng Fracture Mech.,1968
3. Spin tests to determine brittle fracture under plane strain;Sankey,1968
4. New specimen design for plane-strain fracture toughness tests;Sullivan;Mater. Rex. Stand.,1964
5. Plane strain crack toughness testing of high strength metallic materials;Brown;ASTM Spec. Tech. Publ. No. 410,1967