1. T.S. Yun: Trans. ASM, 1961, vol. 54, pp. 129–37.
2. J. Martin and R. Winard: Mem. Sci. Ref. Metall, 1971, vol. LXVII, pp. 455–63.
3. Y.K. Rao: Metall. Trans. B, 1971, vol. 2, pp. 1439–47.
4. M.C. Abraham and A. Ghosh: Proc. Int. Symp. on Science and Technology of Sponge Iron and Its Conversion to Steel, Jamshedpur, India, Feb. 1973, p. 106.
5. N.S. Srinivasan and A.K. Lahiri: Metall. Trans. B, 1977, vol. 8B, pp. 175–78.