1. Agreement governing the activities of states on the moon and other celestial bodies,1979
2. Operating characteristics and requirements for the NERVA flight engine;Altseimer;J. Spacecraft Rockets,1971
3. IAA commission III SG 2 – nuclear space power and propulsion;Auweter-Kurtz,2007
4. Proposed advanced satellite applications utilizing space nuclear power systems;Bailey,1990
5. Technology Development for Planetary Defense in Situ Spacecraft Missions to Near-Earth Objects;Barbee;NASA Technical Reports Server,2020