@article{article8011ba2c,
title   = {Oxygen, sodium, magnesium, and aluminium as tracers of the galactic bulge formation},
author = {Lecureur, A and Hill, V and Zoccali, M and Barbuy, Beatriz Leonor Silveira and Gómez, A and Minniti, D and Ortolani, S and Renzini, A},
year = {2007},
doi = {10.1051/0004-6361:20066036},
journal   = {Astronomy & Astrophysics}
}