1. K. Nakanishi, T. Fujii, and J. Szekely: Ironmaking and Steelmaking, 1975, vols. 2–3, pp. 193–99.
2. D. Mazumdar and R.I.L. Guthrie: Iron Steel Inst. Jpn. Int., 1995, vol. 35 (1), pp. 1–20.
3. Recent Developments in Steelmaking Technologies Using Gas Injection, Proc. 100th and 101th Nishiyama Memorial Lecture, ISIJ, Tokyo, 1984.
4. K. Narita: Inbath Smelting Reduction Processes, 1992, Kobelco, Kobe.
5. M. Iguchi, K. Nakamura, and R. Tsujino: ISS Transactions, 1997, vol. 18, pp. 3–10.