@Book{BDG201890314394, title = "El P\'{o}rtico de la Gloria : estudio sobre este c\'{e}lebre monumento de la bas\'{\i}lica compostelana", author = "L\'{o}pez Ferreiro, Antonio, 1837-1910", publisher = "Santiago : [s.n.]", editor = "[s.n.]", URL = "http://biblioteca.galiciana.gal/es/consulta/registro.do?id=530979", year = "1893", }