1. On the effect of plastic constraint on ductile tearing in a structural steel;Cotterell;Eng. Fract. Mech.,1985
2. The stress triaxiality constraint and the Q-value as a ductile fracture parameter;Henry;Eng. Fract. Mech.,1997
3. The Second Parameter in J-R Curves: Constraint or Triaxiality?;Brocks,1995
4. 'Assessment of the integrity of structures containing defects’, R6 Rev. 4, British Energy Generation Ltd/BEG(UK)L, 2001. n.d.
5. Revised guidance on residual stresses in BS7910. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication);Sharples;PVP,2011