title: Gas accretion as the origin of chemical abundance gradients in distant galaxies.
authors.affiliation: INAF - Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, 50125 Firenze, Italy. gcresci@arcetri.astro.it
authors.forename: G
authors.initials: G
authors.lastname: Cresci
authors.forename: F
authors.initials: F
authors.lastname: Mannucci
authors.forename: R
authors.initials: R
authors.lastname: Maiolino
authors.forename: A
authors.initials: A
authors.lastname: Marconi
authors.forename: A
authors.initials: A
authors.lastname: Gnerucci
authors.forename: L
authors.initials: L
authors.lastname: Magrini