Li in NGC 6752 and the formation of globular clusters L. Pasquini, P. Bonifacio, P. Molaro, P. Francois, F. Spite, R. G. Gratton, E. Carretta and B. Wolff A&A, 441 2 (2005) 549-553 Published online: 19 September 2005 DOI: 10.1051/0004-6361:20053607