1. K. S. Chan:Metall. Trans. A, 1989, vol. 20A, pp. 155–64.
2. J. D. Embury, N. J. Petch, A. E. Wraith, and E. S. Wright:Trans. AIME, 1967, vol. 239, pp. 114–18.
3. R. W. Hertzberg:Deformation and Fracture Mechanics of Engineering Materials, John Wiley & Sons, New York, NY, 1976, ch. 10, pp. 327–35.
4. K. T. Venkateswara Rao, W. Yu, and R. O. Ritchie:Metall. Trans. A, 1989, vol. 20A, pp. 485–97.
5. ASTM E399 and E813-81,Annual Book of ASTM Standards, ASTM, Philadelphia, PA, 1983, pp. 518–53 and 762–86.