1. Windhorst, R., Ardema, M. D., and Bowles, J. V., Minimum Heating Entry Trajectories for Reusable Launch Vehicles, Journal of Spacecraft and Rockets, Vol. 35, pp. 672–682, 1998.
2. Bradt, J., Langehough, M., and Robert, R., Autonomous Guidance and Control for a Low L/D Crew Return Vehicle, AIAA Paper 91-2819, 1991.
3. Chou, H. C., Ardema, M., and Bowles, J., Near-Optimal Entry Trajectories for Reusable Launch Vehicles, Journal of Guidance, Control, and Dynamics, Vol. 21, pp. 983–990, 1998.
4. JÄ nsch, C., and Markl, A., Trajectory Optimization and Guidance for a Hermes-Type Reentry Vehicle, AIAA Paper 91-2659, 1991.
5. Breitner, M. H., and Von Stryk, O., Reentry Optimization of a European Space Shuttle, Proceedings of the 8th Conference of the European Consortium for Mathematics in Industry (ECMI 94), Universität Kaiserslautern, Kaiserslautern, Germany, pp. 222–224, 1994.