Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEspectros.AuthorsPenagos-Carreño, JuliánPublicationPalabra Clave, 2020, Vol 23, Issue 1, p1ISSN0122-8285Publication typeArticleDOI10.5294/pacla.2019.23.1.1