1. Assessment of the integrity of structures containing defects;Milne;CEGB report R/H/R6, Rev. 3,1986
2. A procedure for the determination of the fracture resistance of ductile steels;Neale;CEGB report TPRD/B/0495/R84,1984
3. ASTM, Standards E813-81.03.01 Section 3,1983
4. Suggested procedures for the analysis of multi-specimen fracture toughness test data;Moskovic;Engng Fract. Mechanics,1988
5. Minitab Reference Manual;Ryan,1982