@Misc{BVPH2004001446, title = "El Centinela de Arag\'{o}n : peri\'{o}dico diario, propagador de doctrinas democr\'{a}ticas [Recurso electr\'{o}nico]", publisher = "[S.l. : s.n.]", editor = "s.n.]", URL = "https://prensahistorica.mcu.es/es/consulta/registro.do?id=3132", year = "1841", }