NGC 6535: the lowest mass Milky Way globular cluster with a Na-O anti-correlation? - Cluster mass and age in the multiple population contextA. Bragaglia, E. Carretta, V. D’Orazi, A. Sollima, P. Donati, R. G. Gratton and S. LucatelloA&A, 607 (2017) A44DOI: https://doi.org/10.1051/0004-6361/201731526
