TY - JOUR TI - Central enhancement of the nitrogen-to-oxygen abundance ratio in barred galaxies PY - 2015 AU - Florido, E AU - Zurita, . AU - PĂ©rez-Montero, E AU - Coelho, Paula Rodrigues Teixeira AU - Gadotti, D. A T2 - Astronomy & Astrophysics SN - 0004-6361 DO - 10.1051/0004-6361/201526191 UR - https://doi.org/10.1051/0004-6361/201526191 PP - Les Ulis VL - 584 SP - A88/1-A88/23 ER -