1. Wu S.L., Xu H.F., Tian Y.Q.,Ironmaking and Steelmaking36(2009) 19-23
2. Shengl-Li W., Xiao-qin L., Qi Z., Jian X., Cheng-Song L.,J. Iron Steel Res.18(2011) 20-24
3. Brill-Edwards H., Samuel R.L.,J. Iron Steel Institute36(1965) 361-368
4. Watanabe S., Yoshinaga M.,TRANS- ACTIONS, Society of Mining Engineers241(1968) 1-15
5. Hasenack N.A., Kister H., Vogel R.B., Van Toor K.H.,Society of Mining Engineers, AIME260(1976) 263-267