1. Rice, J. R. and Sorensen, E. P., J. Mech. Phys. Solids, 26, 1978.
2. Sih, G. C., “Mechanisms of ductile fracture”, Technical Report IFSM 77–78, Lehigh University, 1977.
3. Otsuka, A., Miyata, T., Nishimura, S. and Kashiwagi, Y., Eng. Fract. Mech.
4. Shih, C. F., Andrews, W. R. DeLorenzi, H. G., Van Stone, R. H., Yukawa, S. and Wilkinson, J. P. D., EPRI NP 701 SR, February 1978.
5. Rousseau,D., Thèse de 3ème cycle, Université de Technologie de Compiègne, 1976.