Chemical abundances of giant stars in the Crater stellar system P. Bonifacio, E. Caffau, S. Zaggia, P. François, L. Sbordone, S. M. Andrievsky and S. A. Korotin A&A, 579 (2015) L6 Published online: 06 July 2015 DOI: 10.1051/0004-6361/201526366