@Book{BAB20110011802, title = "Lecciones de historia sagrada", author = "Jal\'{o}n, Pl\'{a}cido", publisher = "[S.l.] : [S.n.]", editor = "[S.n.]", URL = "http://bibliotecavirtual.larioja.org/bvrioja/es/consulta/registro.do?id=1205", year = "1898", }