1. L. Prandtl, “The Mechanics of Viscous Fluids,” in: Aerodynamic Theory, Vol. III, W. F. Durand, ed. (1934), pp. 89–90; reprinted by Dover Publications, New York (1963).
2. A. Henderson, Jr., R. D. Watson, and R. D. Wagner, Jr., “Fluid Dynamic Studies to M = 41 in Helium,” AIAA J. 4 (12) (December 1966).
3. C. H. Lewis and J. D. Whitfield, “Theoretical and Experimental Studies of Hypersonic Viscous Effects,” AGARDograph 97 (May 1965).
4. L. Lees, “Hypersonic Flow,” in: Fifth International Aeronautical Conference, Institute of Aeronautical Sciences, New York (1955), pp. 241–276.
5. W. D. Hayes and R. F. Probstein, Hypersonic Flow Theory, Academic Press, New York and London (1959), Chapter 9.