1. Kutateladze S.S., Styrikovich M.A. Hydrodynamics of gas-liquid systems, Moscow, 1976 (in Russian).
2. Wallis G.B. One-Dimentional Two-Phase Flows, McGraw-Hill, New York, 1969.
3. Hewitt J.F., Hall-Taylor N.S. Annular Two-Phase Flows, Pergamon Press, Oxford, 1970.
4. Kutateladze S.S., Sorokin Ju.L. On hydrodynamic stability of some gas-liquid systems. In: Problems of heat transfer and hydraulics of two-phase systems, Moscow, Gosenergoizdat, 1961, pp. 315-324 (in Russian).
5. Pushkina O.L., Sorokin Ju.L. Reversal of liquid film motion in vertical tubes. Trudy TsKTI, 1969, issue 96, pp. 34-39 (in Russian).