@Book{BDG201891914579, title = "Ante-proyectos del plan general de ferro-carriles", author = "Espa\~{n}a. Direcci\'{o}n General de Obras P\'{u}blicas", publisher = "Madrid : [s.n.]", editor = "[s.n.]", URL = "http://biblioteca.galiciana.gal/es/consulta/registro.do?id=375357", year = "1864", }