1. Williams, S.D. and D. M. Curry, “Assessing the Orbiter Thermal Environment Using Flight Data,” J. Spacecraft, Vol. 21, No. 6, November, 1984.
2. Wikipedia “Space Shuttle” (STS mission profile graphic). This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. http://en.wikipedia.org/wiki/Space_Shuttle
3. Fortescue, P. and J. Stark (Eds.), Spacecraft Systems Engineering, Wiley,1992.
4. Sketch from the “Columbia sacrifice” website: http://www.columbiassacrifice.com/C_hypersonic.htm
5. Griffin, M. D. and J. R. French, Space Vehicle Design, 2nd edition, AIAA education series, 2004