1. Standard method for plane-strain fracture toughness of metallic materials;E-399, Annual Book of ASTM Standard, Section 3,1986
2. More on specimen size effects in fracture toughness testing;Kaufman;ASTM STP,1973
3. The influence of crack length and thickness on plane strain fracture toughness tests;Jones;ASTM STP,1970
4. Reappraisal of fracture toughness testing and assessment procedures;Priest,1984
5. The analysis of fracture surface by electron microscopy;Pelloux;Metals Engineering Quarterly, ASM,1965