1. Skorokhodov, V.I., Anikin, Yu.V., Radionov, B.K., Ashikhin, V.V., and Akulich, L.F., Tsvetn. Met., 2000, nos. 11–12, pp. 71–73.
2. Vol’khin, V.V. and L’vovich, V.I., Sintez i svoistva ionoomennykh materialov (Synthesis and Properties of Ion-Exchange Materials), Moscow: Nauka, 1977.
3. Dremicheva, E.S., Vestn. Mosk. Univ., Ser. 2: Khimiya, 2017, vol. 58, no. 4, pp. 204–207.
4. Kropacheva, T.N., Antonova, A.S., and Kornev, V.I., Russ. J. Inorg. Chem., 2017, vol. 62, no. 2, pp. 150–159.
5. De Gisi, S., Lofrano, G., Grassi, M., and Notarnicola, M., Sustain. Mater. Technol., 2016, vol. 9, pp. 10–40.