Observational evidence for a broken Li Spite plateau and mass-dependent Li depletion J. Meléndez, L. Casagrande, I. Ramírez, M. Asplund and W. J. Schuster A&A, 515 (2010) L3 Published online: 15 June 2010 DOI: 10.1051/0004-6361/200913047