1. The Allende, Mexico, meteorite shower;Clarke;Smithsonian Contributions to the Earth Sciences,1971
2. Ages of the Allende meteorite;Fireman;Geochim. Cosmochim. Acta,1970
3. Chemical composition and petrogenesis of basalts from Tranquillity Base;Gast,1970
4. Condensation in the primitive solar nebula;Grossman;Geochim. Cosmochim. Acta,1972
5. Abstract, Symposium on the Moon and the Planets;Hayashi,1972