1. DNV-OS-F101, Offshore standard, submarine pipeline system, Standard, Det Norske Veritas 2000.
2. BSI, Guide on methods for assessing the acceptability of flaws in metallic structures. BS 7910, British Standards Institution 2000.
3. Assessment of the integrity of structures containing defects – revision 4, R6, British Energy 2001.
4. Critical crack sizes in ductile piping;Kastner;Int J Pressure Vessels Piping,1981
5. Fracture response of pipelines subjected to large plastic deformation under tension;Jayadevan;Int J Pressure Vessels Piping,2004