1. Petrogenesis of Apollo 11 basalts, internal constitution and origin of the moon;Ringwood,1970
2. Origin, eruption and crystallization of protohypersthene basalts from the Ocean of Storms;Biggar,1971
3. Equilibrium relations among phases occurring in lunar rocks;Muan,1971
4. The nature of seas, mascons and the lunar interior in the light of experimental studies;O'Hara,1970