1. preprint for Geophvs;Bogard;Res. Lett.,1983
2. Boynton , W.V. C.L. Chou K.L. Robinson P.H. Warren J.T. Wasson Lithophiles, siderovolatiles in Apollo 16 soils and Lunar Sci. Conf. 7th 727 742 1976
3. Lunar basins and craters: Evidence for systematic compositional changes of bombarding population;Hertogen;Proc. Lunar Sci. Conf. 8th,1977
4. A comparison of noble gases in lunar fines and soil breccias: implications for the origin of soil breccias;Hintenberger;Proc. Lunar Sci. Conf. 6th,1975
5. Chemical composition of Luna 20 soil and rock fragments;Jerome;Geochim. Cosmochim. Acta,1973