1. Abundances of the elements: Meteoritic and solar;Anders;Geochim. Cosmochim. Acta,1989
2. Interstellar grains in primitive meteorites: Diamond, silicon carbide, and graphite;Anders;Meteoritics,1993
3. Solar wind gases in a metal separate from lunar soil 68501;Becker;Lunar Planet. Sci.,1989
4. Nitrogen abundances and isotopic compositions in lunar samples;Becker;Proc. Lunar Sci. Conf., 6th,1975
5. Nitrogen isotopes in lunar soils as a measure of cosmic-ray exposure and regolith history;Becker;Proc. Lunar Sci. Conf., 8th,1977