1. ASTM Standard E399 (2009) Standard test method for linear-elastic plane-strain fracture toughness KIc of metallic materials. ASTM International, West Conshohocken, PA, USA
2. ASTM Standard E1820 (2011) Standard test method for measurement of fracture toughness. ASTM International, West Conshohocken, PA, USA
3. BSI Standard BS5762 (1979) Methods for crack opening displacement (COD) testing, British Standards Institution, London, UK
4. Ibrahim RN, Stark HL (1990) Establishing KIc from eccentrically fatigue cracked small circumferentially grooved cylindrical specimens. Int J Fract 44:179–188
5. Ibrahim RN (1989) The development of a small KIc specimen and its application to sustained load cracking in aluminum pressure vessels. PhD thesis. Sydney, Mechanical Engineering Department, University of New South Wales