1. A. M. Rozen, Theory of Isotope Separation in Columns (Atomizdat, Moscow, 1960) [in Russian].
2. M. Benedict and T. Pigford, Nuclear Chemical Engineering (McGraw-Hill, New York, 1981; Khimiya, Moscow, 1960).
3. S. T. Hwang and K. Kammermeyer, Techniques of Chemisry, Vol. 7: Membranes in Separation (Wiley, New York, 1975).
4. Isotopes: Properties, Production, Application, Ed. by V. Yu. Baranov (IzdAT, Moscow, 2000) [in Russian].
5. V. P. Chizhkov, V. N. Boitsov, and A. V. Demin, Russ. J. Phys. Chem. A 83, 2149 (2009).