Sputtering by 20-Kev Ar+ ions at normal incidence on meteorites Back to all publications Publication date 1 January 1962 Reference D. Heymann and J.M. Fluit, Sputtering by 20-Kev Ar+ ions at normal incidence on meteorites, J. Geophys. Res. 67, 2921-2924 (1962)