FORS2/VLT survey of Milky Way globular clusters - II. Fe and Mg abundances of 51 Milky Way globular clusters on a homogeneous scaleB. Dias, B. Barbuy, I. Saviane, E. V. Held, G. S. Da Costa, S. Ortolani, M. Gullieuszik and S. VásquezA&A, 590 (2016) A9DOI: https://doi.org/10.1051/0004-6361/201526765