@Book{RANME20161643304, title = "O ber\c{c}o", author = "CABRAL DA COSTA-SACADURA, Sebastiao", publisher = "[S. l.] : [s. n.]", editor = "[s. n.]", URL = "http://bibliotecavirtual.ranm.es/ranm/es/consulta/registro.do?id=66330", year = "1938", }