1. Nikandrov G.I. (1975) Purification of gases from sulphur dioxide by ion exchange sorbents, Industrial and Sanitary Purification of Gases (USSR), 4, pp. 14–18
2. Nizovtseva O.P. and Shunkevich A.A. (1978) Ammonia sorption by fibrous cation exchangers in the H-form. Izvestiya Akademii Nauk BSSR, seria Khimicheskikh Nauk, 5, pp. 62–65
3. Türhölmez S. (1965) Beseitigung der Geruchbelästigungen durch Austausch-Adsorption mittels Kunstharz-Jonenaustauschern. “Wasser, Luft und Betrieb”, 11, 737–743; 12, pp. 812-6.
4. Hashida J. (1974) Studies of ion exchange resins adsorbing gases. Bull. Osaka Munic. Res. Techn. Inst., 1
5. Gostomczyk M.A., Kuropka J. (1977) Investigation on sorption of acid gases on anion exchangers, “Environment Protection Engineering”, No 1-2, 135-144