@Book{RAJ20150000682, title = "La crisis econ\'{o}mica y el papel del estado", author = "Rivas, Anselmo R. de", publisher = "Madrid : [s.n.]", editor = "[s.n.]", url = "http://bvrajyl.rajyl.es/i18n/consulta/registro.cmd?id=9940", year = "1898", }