1. S. Wang, Jom 63(8), 90 https://doi.org/10.1007/s11837-011-0146-7 (2011).
2. Y.T. Ma, Z.Q. Gong, J. Wu, W.G. Chen, and Z.H. Yang, J. Cent. South Univ. 37(3), 498 (2006).
3. Y.T. Ma, Z.Q. Gong, W.G. Chen, H.X. Li, Z.H. Yang, and J. Huan, Chin. J. Nonferrous Metals 1, 189 (2006).
4. E. Akpan, A. Akande, A. Aboudheir, H. Ibrahim, and R. Idem, Chem. Eng. Sci. 62(12), 3112 (2007).
5. M.H. Xie, X.M. Wang, H.X. Chen, and X.P. Luo, Sichuan Nonferrous Metals. 1, 5 (2005).