1. G.H. Bai, X.Q. Zhou, X.H. Fan, J.C. Li: J. Cent. South Univ. Sci. Technol., 2011. vol. 42, pp. 1509-1515.
2. T. Huang Z.C. Li Q. Yang Y.B. Jiang: J. Cent. South Univ. Sci. Technol., 2004, vol. 35, pp. 753-758.
3. Zhu D.Q., Xu X.F., Pan J., Ou Y., Li J., Tang Y: Journal of Central South University (Science and Technology), 2007, vol. 38, pp. 843-849.
4. Huang X.B, Lv X.W., Bai C.G., Qiu, G.B., Lu L.M., ISIJ International, 2014, vol.54, pp.2721-2727
5. Zhu D.Q., Chun T.J., Pan J., Zhang J.L., International Journal of Mineral Processing, 2013, vol. 125, pp.51-60