1. Yu. A. Buevich and V. V. Butkov, ?Mechanism of bubble formation in the discharge of a gas into a liquid from a circular opening,? Teor. Osn. Khim. Tekhnol.,5, No.1, 74?83 (1971).
2. V. I. Berdnikov, A. M. Levin, and K. M. Shakirov, ?Bubble size in the injection of metal,? Izv. Vyssh. Uchebn. Zaved., Chern. Metall., No. 10, 15?22 (1974).
3. N. A. Lebedinskaya, M. Z. Zhivov, E. I. Ezhov, et al., ?Propagation of a horizontal gas jet into a heavy liquid,? in: Transactions of the ?Gipronikel/rd Institute, Leningrad (1973), Vol. 57, pp. 86?90.
4. G. P. Ivanov and Z. M. Kudryavtseva, ?Study of the aerodynamics of assimilable and nonassimilable gas jets entering a liquid,? in: Steel Production [in Russian], Metallurgizdat, Moscow (1960), pp. 297?316.
5. I. P. Ginzburg, V. A. Surin, A. A. Bagautdinov, et al., ?Study of the discharge of a gas stream from a submerged nozzle into a liquid,? Inzh.-Fiz. Zh.,33, No. 2, 213?223 (1977).