[American Institute of Aeronautics and Astronautics 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Hartford, CT ()] 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit - Development and Testing of a Prototype LOX/Propylene Upper Stage EngineGemba, Kay; Verma, Deepak; Besnard, Eric · 2008