1. S. Zhang, S. Liu, W. Ma, K. Zhu, L. Cao, and Y. Dai: Present Status and Development of Comprehensive Utilization of Vanadium-Titanium Magnetite, Springer International Publishing, San Diego, CA, 2017, pp. 203–10.
2. P.R. Taylor, S.A. Shuey, E.E. Vidal, and J.C. Gomez: Mining. Metall. Explor., 2006, vol. 23, pp. 80–6.
3. B. Yang, J. He, G. Zhang, and J. Guo: Vanadium., 2021, vol. 6, pp. 123–47.
4. D. Chen, H. Zhao, G. Hu, T. Qi, H. Yu, G. Zhang, L. Wang, and W. Wang: J. Hazard. Mater., 2015, vol. 294, pp. 35–40.
5. B. Wang, X. Ding, T. Ju, X. Zhang, and G. Cheng: Metals-Basel., 2021, vol. 11, p. 16. https://doi.org/10.3390/met11010045.