1. A first look at the lunar orbital gamma-ray data;Metzger,1972
2. Minor elements in Apollo 11 and 12 olivine and plagioolase;Smith,1971
3. Mineralogy and petrology of Apollo 15 rake samples: I. Basalts;Steele,1972
4. Preliminary data on lunar soil obtained by the Luna 20 unmanned spacecraft;Vinogradov;Geokhimiya,1972
5. Preliminary data on lunar soil collected by the Luna 20 unmanned spacecraft