1. Proceedings of the Ninth International Space Planes and Hypersonic Systems and Technologies Conference;Williams S.,1999
2. Proceedings of the Fourth Weakly Ionized Gases Workshop;Williams S.,2001
3. Proceedings of the 41st Aerospace Sciences Meeting and Exhibit;Williams S.,2003
4. Proceedings of the 42nd Aerospace Sciences Meeting and Exhibit;Williams S.,2004
5. G. L. Pellett, NASA Technical Report, 1996.