Manganese abundances in Galactic bulge red giants B. Barbuy, V. Hill, M. Zoccali, D. Minniti, A. Renzini, S. Ortolani, A. Gómez, M. Trevisan and N. Dutra A&A, 559 (2013) A5 Published online: 28 October 2013 DOI: 10.1051/0004-6361/201322380