1. Ionity v tsvetnoi metallurgii (Ion Exchangers in Non-ferrous Metallurgy), Lebedev, K.B., Ed., Moscow: Metallurgiya, 1975.
2. Meretukov, M.A. and Orlov, A.M., Metallurgiya blagorodnykh metallov (zarubezhnyi opyt) (Metallurgy of Noble Metals (Foreign Experience)), Moscow: Metallurgiya, 1991.
3. Warshawsky, A., in Hydrometallurgy: Research, Development, and Plant Practice: Proc. 3rd Int. Symp. on Hydrometallurgy, 112 AIME Annual Meet., Atlanta, 1983, pp. 517–527.
4. Warshawsky, A., Fieberg, M.M.B., Michalik, P., et al., Sep. Purif. Meth., 1980, vol. 9, no. 2, pp. 209–265.
5. Simanova, S.A., Kolontarov, I.Ya., Bobritskaya, L.S., and Lysenko, A.A., Zh. Prikl. Khim., 1989, vol. 62, no. 8, pp. 1840–1844.