1. Petrology, mineralogy and chemistry of KREEP basalt;Meyer;Phys. Chem. Earth,1977
2. Basaltic Volcanism on the Terrestrial Planets;Basaltic Volcanism Study Project,1981
3. Chemical variation and fractionation of KREEP basalt magmas;Irving,1977
4. The origin of KREEP;Warren;Rev. Geophys. Space Phys.,1979
5. Petrology, chemistry and chronology of 14078: chemical constraints on the origin of KREEP;McKay,1978