1. World Steel in Figures, International Iron and Steel Institute, Brussels, Belgium, 2007. www.worldsteel.org .
2. B.G. Thomas: in Making, Shaping and Treating of Steel, A.W. Cramb, ed., AISE Steel Foundation, Pittsburgh, PA, 2003.
3. J. Kubota, K. Okimoto, A. Shirayama, and H. Murakami: Steelmaking Conf. Proceedings, 1991.
4. S. Feldbauer and A. Cramb: PTD Conf. Proc., 13, Iron and Steel Society, Warrendale, PA, 1995, pp. 327-40.
5. J. Herbertson, Q.L. He, P.J. Flint, and R.B. Mahapatra: Steelmaking Conf. Proc. 1991, Iron and Steel Society, Warrendale, PA, pp. 171–85.