The magnitude difference between the main sequence turn off and the red giant branch bump in Galactic globular clustersS. Cassisi, A. Marín-Franch, M. Salaris, A. Aparicio, M. Monelli and A. PietrinferniA&A, 527 (2011) A59DOI: https://doi.org/10.1051/0004-6361/201016066
