1. Solar Orbit Transfer Vehicle Space Experiment Conceptual Design;Partch;AIAA-99-2476,1999
2. Integrated Solar Upper Stage Engine Ground Demonstration Test Results and Data Analysis;Frye;AIAA-98-3958,1998
3. Reusable Orbital Transfer Vehicle (ROTV) Applications of an Integrated Solar Upper Stage (ISUS);Frye;AIAA-97- 2981,1997
4. Cryogen Storage and Propellant Feed System for the Integrated Solar Upper Stage (ISUS) Program;Cady;AIAA-96-3044,1996
5. Solar Thermal Propulsion Transfer Stage Design for Near-Term Science Mission Applications;McClanahan;AIAA-94-2999,1994