1. Two-Dimensional Airfoils in Hypersonic Flows
2. Ehret, D. M., Rossow, V. J., and Stevens, V. I., An Analysis of the Applicability of the Hypersonic Similarity Law to the Study of Flow About Bodies of Revolution at Zero Angle of Attack, NACA T N 2250,1950.
3. Hamaker, F . M., Neice, S. E., and Eggers, A. J., The Similarity Law for Hypersonic Flow About Slender Three-Dim ensional Shapes, NACA T N 2443,1951.