1. A. W. Wilhite, R. W. Powell, S. J. Scotti, C. R. McClinton, S. Z. Pinckney, C. L. Cruz, L. R. Jackson, J. L. Hunt, J. A. Cerro, and P. L. Moses, Concepts Leading to the National Aero-Space Plane Program, AIAA-90-0294, Jan. 1990.
2. J. S. Scotti, Numerical Studies of Convective Cooling for a Locally Heated Skin, NASA TP 3100, 1991.
3. R. J. Nowak, M. S. Holden, and A. R. Wieting, Shock/Shock Interactions in Hypersonic Flow, AIAA-88-0477, Jan. 1988.
4. C. Johnson, and U. Navert, An Analysis of Some Finite Element Methods for Advection-Diffusion Problems, in Axelsson, Frank, van der Sluis (eds.), Analytical and Numerical Approaches to Asymptotic Problems in Analysis, North-Holland, Amsterdam, 1981.