1. Komkov, A.A. and Kamkin, R.I., The behavior of copper and impurities during bubbling of copper-smelting slags with CO-CO2 gas mixture, Tsvetn. Met., 2011, no. 6, pp. 26–31.
2. Romenets, V.A., Valavin, V.S., Usachev, A.B., Karabasov, Yu.S., and Balasanov, A.V., ROMELT Process, Moscow: MISIS, 2005.
3. Min, D.J., Han, J.W., and Chung, W.S., A study of the reduction rate of FeO in slag by solid carbon, Metal. Mater. Trans. B, 1999, vol. 30, pp. 772–775.
4. Parra, R., Wilkomirsky, I., and Allibert, M., Direct reduction of copper–iron–silicon oxide melts, in Proc. Int. Conf. “Copper 99 – Cobre 99” (Phoenix, Oct. 10–13 1999), Warrendale: TMS, 1999, vol. 4, pp. 553–570.
5. Halder, S. and Fruehan, R.J., Reduction of iron-oxide-carbon composites: pt. 1. Estimation of the rate constants, Metal. Mater. Trans. B, 2008, vol. 39, pp. 784–795.