The peculiar Na-O anticorrelation of the bulge globular cluster NGC 6440C. Muñoz, S. Villanova, D. Geisler, I. Saviane, B. Dias, R. E. Cohen and F. MauroA&A, 605 (2017) A12DOI: https://doi.org/10.1051/0004-6361/201730468
