1. R.J. Fruehan:Trans. TMS-AIME, 1969, vol. 245, pp. 1215–18.
2. G.R. Belton and R.J. Fruehan:Metall. Trans. B, 1970, vol. 1, pp. 781–87.
3. M. Heinz: Ph.D. Thesis, UniversitÄt Clausthal, West Germany, 1987.
4. J.M.A. Geldenhuis and R.J. Dippenaar:Proc. 6th Int. Iron and Steel Congress, Nagoya, Japan, Oct. 21-26, 1990, vol. 1, pp. 529-36.
5. B.E. Vassiliou:Trans. Brit. Ceram. Soc., 1957, vol. 56, pp. 516–18.