1. Bazant, Z.P. (1990). Justification and improvement of Kienzler and Herrmann’s estimate of stress intensity factors of cracked beam. Engineering Fracture Mechanics 36: 523–525.
2. Benthem, J.P., and Koiter, W. T. (1973). Asymptotc approximations to crack problems. In: Sih, G.C. (ed.), Mechanics of Fracture I. Noordhoff: Leyden. 131–178.
3. Eschenauer, H.,Olhoff, N., and Schnell, W. (1997). Applied Structural Mechanics. Springer: Berlin.
4. Eshelby, J.D. (1975). The calculus of energy release rates. In: Sih, G.C., van Elst, H. C., and Broek, D. (eds.), Prospects of Fracture Mechanics. Noordhoff: Leyden. 69–84.
5. Flügge, W. (1972). Tensor Analysis and Continuum Mechanics. Springer: Berlin.