1. Vol’khin, A.I., Eliseev, E.I., Zhukov, V.P., and Smirnov, B.N., Anodnaya i katodnaya med’ (Anodic and Cathodic Copper), Chelyabinsk: Yuzhno-Ural. Knizhn. Izd., 2001.
2. Khudyakov, I.F., Doroshkevich, A.P., and Karelov, S.V., Kompleksnoe ispol’zovanie syr’ya pri pererabotke loma i otkhodov tyazhelykh tsvetnykh metallov (Complex Utilization of Raw Materials in Recycling of Heavy Nonferrous Metal Scrap and Waste), Moscow: Metallurgiya, 1985.
3. Hu, H., Liu, C., Han, X., Liang, Q., and Chen, Q., Trans. Nonferrous Met. Soc. Chin., 2010, vol. 20, pp. 2026–2031.
4. Kordosky, G.A., Virnig, M.J., and Mattison, P., Proceedings of International Solvent Extraction Conferenc, ISEC, Cape Town, 2002, pp. 360–365.
5. Mickler, W., Uhlemann, E., Herzschuh, R., Wenclawiak, B., and Plaggenborg, L., Sep. Purif. Technol., 1992, vol. 27, nos. 8–9, pp. 1171–1179.