1. Lunar bases and space activities of the 21st century Publication/Creation: Houston, TX : Lunar and Planetary Institute, [1985] Resource Type: Book Access & Availability: Loading
2. The nature of the lunar surface : proceedings of the 1965 IAU-NASA Symposium Author/Creator: Conference on the Nature of the Surface of the Moon Greenbelt, Md.) (1965 Publication/Creation: Baltimore : Johns Hopkins Press, [1966] Resource Type: Book Access & Availability: Loading