1. ASME Boiler and Pressure Vessel Code, 1998. Section XI, Division 1, Article A-3000.
2. Asymptotic approximations to crack problems;Benthem,1973
3. Stress intensity factors for internal circumferential cracks in tubes over a wide range of radius over thickness ratios;Chapuliot;Proc. ASME PVP Conf.,1998
4. Stress intensity factors for external circumferential cracks in tubes over a wide range of radius over thickness ratios;Chapuliot;Proc. ASME PVP Conf.,1999
5. The distribution of stress in the neighborhood of a flat elliptical crack in an elastic solid;Green;Proc. Camb. Phil. Soc.,1950