Full spectral fitting of Milky Way and M 31 globular clusters: ages and metallicitiesE. Cezario, P. R. T. Coelho, A. Alves-Brito, D. A. Forbes and J. P. BrodieA&A, 549 (2013) A60DOI: https://doi.org/10.1051/0004-6361/201220336