Tracing mixing in stars: new beryllium observations of the open clusters NGC 2516, Hyades, and M 67S. Randich, F. Primas, L. Pasquini, P. Sestito and R. PallaviciniA&A, 469 1 (2007) 163-172DOI: https://doi.org/10.1051/0004-6361:20066218
