@Misc{BDCM20100007846, title = "Spain \& Portugal [Material cartogr\'{a}fico]", publisher = "Edinburgh : Published by John Thomson \& C\textordmasculine ", editor = "Published by John Thomson \& C\textordmasculine ", URL = "https://bibliotecavirtualmadrid.comunidad.madrid/bvmadrid_publicacion/es/consulta/registro.do?id=2491", year = "1819", }