1. The Abundance of the Elements;Aller,1961
2. The lunar atmosphere—it's relation to the solar wind and proposed mass analysis;Bernstein;Space Technol. Labs., Inc., Redondo Beach, California,1963
3. Synthesis of the elements in stars;Burbidge;Rev. Mod. Phys.,1957
4. The formation of the Sun and the planets;Cameron;Icarus,1962
5. The origin of atmospheric xenon;Cameron;Icarus,1963