1. A.D. Pelton and C.W. Bale: Metall. Trans. A, 1986, vol. 17A, pp. 1211–15.
2. C.W. Bale and A.D. Pelton: Metall. Trans. A, 1990, vol. 21A, pp. 1997–2002.
3. E.T. Turkdogan, R.A. Hancock, S.I. Herlitz, and J. Dentan: J. Iron Steel Inst., 1956, vol. 183, pp. 69–72.
4. H. Schenck, M.G. Frohberg, and E. Steinmetz: Arch. Eisenhuttenwes., 1963, vol. 34, pp. 37–42.
5. A. Tanaka: Ph.D. Thesis, 1979 (in Japanese), Muroran Institute of Technology, Hokkaido, Japan.