1. J. A. Cornie, A. Datta, and W. A. Soffa:Met. Trans., 1973, vol. 4, pp. 727–33.
2. D. E. Laughlin: Ph.D. Thesis, Massachusetts Institute of Technology, 1973.
3. C. Buckle and J. Manenc:Mem. Sci. Rev. Met., 1960, vol. 57, pp. 435–49.
4. K. Saito, K. Iida, and R. Watanabe:Trans. Nat. Res. Instit. Metals, 1967, vol. 9, pp. 21–27.
5. T. Hakkarainen: Doctor of Technology Thesis, Helsinki University of Technology, 1971.