1. Standard method of test for plane-strain fracture toughness of metallic material. Annual Book of Standards. Philadelphia: ASTM E399-74, 1974
2. Estimating fracture toughness from small specimens;Stark;Engineering Fracture Mechanics,1986
3. Ibrahim RN. The development of a small specimen for the evaluation of plane strain fracture toughness and the investigation of creep crack growth in aluminum pressure vessels. PhD thesis in Mechanical Engineering, University of NSW, 1989
4. Establishing KIc from eccentrically fatigue cracked small circumferentially grooved cylindrical specimens;Ibrahim;International Journal of Fracture,1990
5. Validity requirements for fracture toughness measurements from small circumferentially notched cylindrical specimens;Ibrahim;Engineering Fracture Mechanics,1987