1. J.E. Bird, A.K. Mukherjee, and J.E. Dorn: Quantitative relation between properties and microstructure, D. G. Brandon and A. Rosen, eds., Israel university press, Jerusalem, 1969, p. 255.
2. R. N. Stevens: Metall. Rev., 1966, vol. 11, pp. 129-42.
3. R.L. Bell and T.G. Langdon: Interfaces conf., R.C. Gifkins, ed., 1969, pp. 115–37.
4. R. Raj and M. F. Ashby: Acta Metall. 1975, vol. 23, pp. 653-66.
5. H. Reidel: Fracture at High Temperature, Springer-Verlag, Berlin, 1987.