FORS2/VLT survey of Milky Way globular clusters - I. Description of the method for derivation of metal abundances in the optical and application to NGC 6528, NGC 6553, M 71, NGC 6558, NGC 6426, and Terzan 8
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A&A, 573 (2015) A13
Published online: 10 December 2014
DOI: 10.1051/0004-6361/201423996