{"id":"000480589","type":"article","title":"Las ermitas de Portera y Santa Olalla. Aproximación al estudio de las cabeceras rectangulares del siglo VII","pages":"233-243","container-title":"Zephyrus, 32.1981","author":[{"family":"Cerrillo Martín de Cáceres","given":"E."}],"issued":{"raw":"1981"}}