1. G.R. Irwin, inTransactions of the ASME, Journal of Applied Mechanics 24 (1957) 361?364.
2. J.J. Gilman, inFracture, Ed. B.L. Averbach et al., John Wiley and Sons, Inc., New York (1959) 193?221.
3. Bernard Gross and John E. Srawley,Stress Intensity Factors by Boundary Collocation for Single-Edge-Notch Specimens Subjected to Splitting Forces, NASA TN D-3295 (1966).
4. E.J. Ripling, S. Mostovoy and R.L. Patrick, inMaterials Research Standards 4, no. 3 (1964) 129?134.
5. B. Noble,Methods Based on the Wiener-Hopf Technique for the Solution of Partial Differential Equations, Pergamon Press (1958).