Houston, Tex. : Lunar and Planetary Institute ; [Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1993]
pt. 1. Overviews -- pt. 2. Prior missions -- pt. 3. Future missions : rationale and benefits -- pt. 4. Future missions : robotic missions -- pt. 5. Future missions : Systems concepts and operations -- pt. 6. Future missions : technology.
Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries