APOGEE DR16: A multi-zone chemical evolution model for the Galactic disc based on MCMC methods E. Spitoni, K. Verma, V. Silva Aguirre, F. Vincenzo, F. Matteucci, B. Vaičekauskaitė, M. Palla, V. Grisoni and F. Calura A&A, 647 (2021) A73 Published online: 10 March 2021 DOI: 10.1051/0004-6361/202039864