1. Zelikman, A., Voldman, G., and Belyaevskaya, L., Teoriya gidrometallurgicheskikh protsessov (Theory of Hydrometallurgical Processes), Moscow: Metallurgy, 1983.
2. Levenspiel, O., Chemical Reaction Engineering, 2nd Edition, John Wiley, New York, 1999.
3. Dixon, F.G., Mayne, D.D., and Baxter, K.G., Canadian Metallurgical Quarterly, 2008, vol. 47, pp. 327–336.
4. Çopur, M., Özmetin, C., Özmetin, E., and Kocakerim, M.M., Chemical Engineering and Processing, 2004, vol. 43, pp. 1007–1014, DOI:10.1016/j.cep.2003.10.001.
5. Gu, Y., Zhang, T.A., Liu, Y., Mu, W.Z., Zhang, W.G, Dou, Z.H., and Jiang, X.L., Transactions of Nonferrous Metals Society of China, 2010, vol. 20, 2010, pp. s136–s140.