@article{article68bea318,
title   = {Homogeneous metallicities and radial velocities for Galactic globular clusters: first CaT metallicities for twenty clusters},
author = {Saviane, I and Costa, G. S. da and Held, E. V and Sommariva, V and Gullieuszik, M and Barbuy, Beatriz Leonor Silveira and Ortolani, S},
year = {2012},
doi = {10.1051/0004-6361/201118138},
journal   = {Astronomy & Astrophysics}
}