2D chemical evolution models - II. Effects of multiple spiral arm patterns on O, Eu, Fe, and Ba abundance gradientsE. Spitoni, G. Cescutti, A. Recio-Blanco, I. Minchev, E. Poggio, P. A. Palicio, F. Matteucci, S. Peirani, M. Barbillon and A. VasiniA&A, 680 (2023) A85DOI: https://doi.org/10.1051/0004-6361/202347325