1. C. H. Stallings and D. H. Martin, May 1962 (unpublished data).
2. E. Carfoli,High-Speed Aerodynamics(Pergamon Press, Inc., New York, 1956).
3. N. A. Hall and W. E. Ibebe,Engineering Thermodynamics(Prentice-Hall, Inc., Englewood Cliffs, New Jersey, 1960).
4. A. K. Sreekanth, “Performance of a Mach 4 Axially Symmetric Nozzle Designed to Operate at 40 μ of Hg in the UTIA Low-Density Wind Tunnel,” UTIA Tech. Note No. 10 (1956).