1. Gorshkov, V. I.; Ivanova, M. V.; Kurbanov, A. M.; Ivanov, V. A.Vestn.Mosk. Univ., Ser. 2: Khim.1977,5, 535 (Russian);Moscow Univ. Chem. Bull.(Engl. Transl.)1977,32, 23.
2. Separation and concentration of calcium and magnesium from sea water by carboxylic resins with temperature-induced selectivity
3. Khamizov, R.; Muraviev, D.; Warshawsky, A. InIon Exchange andSolvent Extraction; Marinsky, J., Marcus, Y., Eds.; Marcel Dekker: New York, 1995; Vol. 12, p 93.
4. Seawater as Auxiliary Reagent in Dual-Temperature Ion-Exchange Processing of Acidic Mine Waters
5. Bonn, G.; Bobleter, O. InIon Exchangers; Dorfner, K., Ed.; Walter de Gruyter: Berlin, Germany, 1991; p 1176.