1. J. A. D. Ackroyd, ?A study on the running times in reflected shock tunnels,? Aeronaut. Res. Council Current Papers, No. 883 (1967).
2. H. O. Amann, ?Experimental study of the starting process in a reflection nozzle,? Phys. Fluids,12, No. 5, pt. 2 (1969).
3. H. O. Amann, ?Vörgange beim Start einer ebener Feflexionsdüse,? Z. Flugwiss.,19, 10 (1971).
4. C. E. Smith, ?An analytic study of starting process in a hypersonic nozzle,? Proc. 1964 Heat Transfer and Fluid Mech. Inst., Berkeley, Calif., Univ. Press, Stanford, Calif. (1964).
5. C. E. Smith, ?The starting process in a hypersonic nozzle,? J. Fluid Mech.,24, pt. 4 (1966).