1. E. Niyama, T. Uchida, M. Morikawa, and S. Saito: Int. Cast Met. J., 1981, pp. 16–22.
2. E. Niyama, T. Uchida, M. Morikawa, and S. Saito: AFS Int. Cast Met. Inst. J., 1982, vol. 7, pp. 52–63.
3. Y.W. Lee, E. Chang, and C.F. Chieu: Metall. Trans. B, 1999, vol. 21B, pp. 715–22.
4. S.-T. Kao and E. Chang: AFS Trans., 1996, vol. 104, pp. 545–49.
5. S.-T. Kao and E. Chang: Cast Met., 1995, vol. 7 (4), pp. 219–25.