1. W.-K. Lu: Kinetics and Mechanisms in Direct Reduced Iron; in Direct Reduced Iron (Eds: J. Feinman and D.R. Mac Rae). The Iron & Steel Society, Warrendale, PA, 1999, pp. 43-57.
2. A. Babich, D. Senk, H. Gudenau and K. T. Mavrommatis: Ironmaking, IEHK, RWTH Aachen University, Aachen, 2008, pp. 181-213.
3. E. Park and O. Ostrovski: ISIJ Int., 2003, vol. 43, pp. 1316-1325.
4. E. Park and O. Ostrovski: ISIJ Int., 2004, vol. 44, pp. 74-81.
5. H.-S. Kim, M.-Y. Cho, C.-K. Ko, S.-K. Jeong, and S.-H. Yi: AISTech Conference Proceedings, Paper PR-366-087, 2014.