1. BS 7910:2019, Guide to methods for assessing the acceptability of flaws in metallic structures, British Standard Institution, London, 2019.
2. API 579-1/ASME FFS-1, Third edition. USA, The American Society of Mechanical Engineers, New York, 2016.
3. R6: Assessment of the integrity of structures containing defects, Revision 4, with amendments to Amendment 11, EDF Energy, Gloucester, 2015.
4. Fracture Mechanics: Fundamentals and Applications;Anderson,2005
5. Basic principles of analytical flaw assessment methods;Zerbst;Int. J. Press. Vessel. Pip.,2001