@article{articlea7e9038f,
title   = {Central enhancement of the nitrogen-to-oxygen abundance ratio in barred galaxies},
author = {Florido, E and Zurita, . and Pérez-Montero, E and Coelho, Paula Rodrigues Teixeira and Gadotti, D. A},
year = {2015},
doi = {10.1051/0004-6361/201526191},
journal   = {Astronomy & Astrophysics}
}