Beryllium abundances and star formation in the halo and in the thick diskR. Smiljanic, L. Pasquini, P. Bonifacio, D. Galli, R. G. Gratton, S. Randich and B. WolffA&A, 499 1 (2009) 103-119DOI: https://doi.org/10.1051/0004-6361/200810592