1. Spacecraft observations of the solar wind composition;Bame,1972
2. The atmosphere of Mercury;Banks;Comments Astrophys. Space Phys.,1970
3. Ultraviolet spectroscopy of planets;Barth;NASA/JPL Tech. Rep. 32-822,1965
4. Physics and Chemistry in Space: Physics of Planetary Ionospheres;Bauer,1973
5. Thermal release of helium, neon, and argon from lunar fines and minerals;Baur,1972