1. Hybrid Rocket Development History;Altman,1991
2. Hybrid Rocket Development at the American Rocket Company;Kniffen,1990
3. The Development of a 200,000 lbf Thrust Hybrid Rocket Booster;Kniffen;IAF-91-265,1991
4. Design of a Tridyne Pressurization System for Liquid Oxygen/Polybutadiene Hybrid Rocket Motors;Mueller,1991