1. Compendium of stress intensity factors;Rooke,1976
2. FRACPAC, A Computer Program for Calculating Elastic and Post-Yield Fracture Mechanics;Chell;CEGB Report RD/L/N 170/77,1977
3. Finite element energy methods in fracture mechanics;Hellen,1976
4. Handbook of stress intensity factors for engineers;Sih,1973