1. R. Treybal, Liquid Extraction (McGraw-Hill, New York, 1951; Khimiya, Moscow, 1966).
2. Extraction Chromatography, Ed. by T. Braun and G. Ghersini (Elsevier, Amsterdam, 1975).
3. M. Benedict and T. Pigford, Nuclear Chemical Engineering (McGraw-Hill, New York, 1981; Atomizdat, Moscow, 1960).
4. S. E. Bresler, Radioactive Elements (Gos. Izdat. Tekh.-Teor. Liter., Moscow, 1957) [in Russian].
5. V. A. Kirillin, A. E. Sheindlin, and E. E. Shpil’rain, Thermodynamics of Solutions (Energiya, Moscow, 1980) [in Russian].