1. D.E.J. Talbot: Int. Metall. Rev., 1975, vol. 20, pp. 166–84.
2. W. Baukloh and F. Oesterlen: Z. Metallkd., 1938, vol. 30, no. 11, pp. 386–89.
3. H. Liu, L. Zhang, and M. Bouchard: Recent Dev. Light Met., Proc. Int. Symp., 1994, pp. 257–68.
4. W.R. Opie and N.J. Grant: Trans. AIME, 1950, vol. 188, pp. 1237–41.
5. H. Shahani: Ph.D. Dissertation, Royal Institute of Technology, Stockholm, Sweden, 1984.