{"id":"000855902","type":"article","title":"Unes fraccions de dirhem inèdites de Muhammad ibn Sa'd, el rei Llop (542-567 H)","publisher":"Societat Catalana d'Estudis Numismàtics","publisher-place":"Barcelona","pages":"55-62","container-title":"Acta numismática, 39.2009","author":[{"family":"Rodríguez Pérez","given":"Ramón."}],"issued":{"raw":"2009"}}