VIS3COS - III. Environmental effects on the star formation histories of galaxies at z ∼ 0.8 seen in [O II], Hδ, and Dn4000Ana Paulino-Afonso, David Sobral, Behnam Darvish, Bruno Ribeiro, Ian Smail, Philip Best, Andra Stroe and Joseph CairnsA&A, 633 (2020) A70DOI: https://doi.org/10.1051/0004-6361/201834244