1. R6, Assessment of the Integrity of Structures Containing Defects, Revision 4, British Energy Generation Ltd., 2001, with amendments to May 2007.
2. Review of limit loads of structures containing defects;Miller;International Journal of Pressure Vessels and Piping,1988
3. Failure stress levels of flaws in pressurised cylinders;Kiefner,1973
4. Limit pressures for cylindrical shells with unreinforced openings of various shapes;Kitching;Journal of Mechanical Engineering Science,1970
5. Limit and burst pressures for cylindrical shells with part-through slots;Kitching;International Journal of Pressure Vessels and Piping,1982