1. D. Broek, Elementary Engineering Fracture Mechanics (Martinus Nijhoff, Dordrecht, 1986), Chap. 5.
2. R.W. Hertzberg, Deformation and Fracture Mechanics of Engineering Materials (Wiley, New York, 1983), Chap. 8.
3. M.F. Kanninen and C.H. Popelar, Advanced Fracture Mechanics (Oxford University Press, New York, 1985), Chap. 3.
4. M. Sakai, J. Yoshimura, Y. Goto, and M. Inagaki, J. Am. Ceram. Soc., 71[8] 609–616(1988).
5. M. Sakai and R.C. Bradt, Int. Mater. Rev., 38[2] 53–78(1993).