Homogeneity in the early chemical evolution of the Sextans dwarf spheroidal galaxyR. Lucchesi, C. Lardo, F. Primas, P. Jablonka, P. North, G. Battaglia, E. Starkenburg, V. Hill, M. Irwin, P. Francois, M. Shetrone, E. Tolstoy and K. VennA&A, 644 (2020) A75DOI: https://doi.org/10.1051/0004-6361/202037534