1. T. V. Bazhenova and L. G. Gvozdeva, Nonstationary Interaction of Shock Waves [in Russian], Nauka, Moscow (1977).
2. V. L. Grigorenko, ?Investigation of the process of shock ignition of supersonic nozzles and comparison with experimental data,? Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 1 (1980).
3. C. E. Smith, ?The starting process in a hypersonic nozzle,? J. Fluid Mech.,24, Pt. 4 (1966).
4. J. A. D. Ackroyd, ?A study on the running times in reflected shock tunnels,? London (1967) (Aeron. Res. Council. C. P. No. 883).
5. H. A. Amann, ?Experimental study of the starting process in a reflection nozzle,? Phys. Fluids,12, Suppl. 1, pp. 1-150?1-153 (1969).