1. BS 7910: Guide on methods for assessing the acceptability of flaws in fusion welded structures, London: BSI; 1999.
2. Assessment of the integrity of structures containing defects. (1999): British Energy Generation Ltd, R6-Revision 4; 2001.
3. Chinese standard. Safety assessment for pressure vessels containing defects [in Chinese]; 1999.
4. A Chinese structural integrity assessment procedure for pressure vessels containing defects;Li;Int J Pressure Vessels Piping,2000
5. BSI PD6493: Guidance on the method for assessing the acceptability of flaws in fusion welded structures. London: British Standards Institution; 1995.