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3. A. S. Ginevskii, The Theory of Turbulent Jets and Wakes [in Russian], Mashinostroenie, Moscow (1969).
4. O. V. Yakovlevskii, Izv. Akad. Nauk SSSR, Mekh. Mashinostr., No. 3 (1961).
5. A. Ferri, P. A. Libby and V. Zakkay, High Temperatures in Aeronautics, Pergamon Press, Milan (1964).