1. H. Sun, Y. Liu, and M. Lu: Ironmak. Steelmak., 2016, vol. 43, pp. 697–704. .
2. Y. Li: Iron Steel., 1980, vol. 27, pp. 1–9. .
3. Y. Zhong, L. Guan, and M. Lin: Iron Steel., 1979, vol. 26, pp. 34–44. .
4. G. Wimmer, K. Pastucha, and E. Wimmer: The 6th International Congress on Science and Technology of Steelmaking, 2015.
5. M. Abe, Y. Kishimoto, and S. Takeuchi: Tetsu-to-Hagane., 2009, vol. 82, pp. 743–8. .