1. D. R. Jenkins. X-15: Extending the Frontiers of Flight[R]. NASA SP-2007-9-001-HQ, 2007.
2. R. C. Haefli, E. G. Littler, J. B. Hurley, M. G. Winter. Technology Requirements for Advanced Earth-orbital Transportation Systems[R]. NASA CR-2866, 1977.
3. A. B. Price. Design Report – Thermal Protection System X-15A-2[R]. NASA CR-82003, 1967.
4. F. D. Bachrtel, J. L. Vaniman, J. M. Stuckey, C. Gray, B. Widofsky. Thermal design of the space shuttle external tank[R]. NASA N85-16977, 1985.
5. W. C. Dean. Thermal Support for Space Support[R]. LMSC-HREC TR D496704, 1976.