1. C. Ouchi: ISIJ Int., 2001, vol. 41(6), pp. 542–53.
2. K. Omata, H. Yoshimura, S. Yamamoto: NKK Tech Rev., 2003, vol. 88, pp. 73–80.
3. G.D. Wang: Shanghai Met. (China), 2008, vol. 30(3), pp. 1–4.
4. G.D. Wang: J. Northeast. Univ. (China), 2009, vol. 30(7), pp. 913–22.
5. L. J. Xu: in Advanced Steels, Y. Weng, H. Dong, Y. Gan (Eds.), Springer, Berlin, 2011, pp. 9–14.