{"id":"000528090","type":"article","title":"Nuevas necrópolis altomedievales en la provincia de Valladolid","publisher-place":"Valladolid","pages":"253-257","container-title":"Boletín del Seminario de estudios de arte y arqueología, Universidad de Valladolid, 29.1963","author":[{"family":"Martín Valls","given":"Ricardo."}],"issued":{"raw":"1963"}}