1. A. Eberle, D. Siuka, C. Böhm, W. Schiffer, Steel World 7 (2002) 28–32.
2. Y. Zhang, Iron and Steel 42 (2007) No. 1, 76–80.
3. G. Y. Tian, J. S. Li, H. B. Yang, J. Iron Steel Res. 25 (2013) No. 10, 25–30.
4. C. Böhm, R. Millner, J. Stockinger, L. Gould, Metall. Ital. 96 (2004) No. 10, 79–83.
5. S. L. Wu, J. Xu, J. I. Yagi, X. Y. Guo, L. H. Zhang, ISIJ Int. 51 (2011) 1344–1352.