Carigi, L. and Peimbert, M. (2012) “The Helium and heavy elements enrichment of the Galactic Disk”, Revista Mexicana de Astronomía y Astrofísica, 44(2), pp. 341–354. Available at: https://www.revistas.unam.mx/index.php/revmexaa/article/view/20697 (Accessed: 7 May 2024).