{"id":"001267936","type":"book","title":"The Sicilian design on the Opole coin and the genesis of the White Eagle","pages":"341-352","container-title":"Notae Numismaticae. Zapiski Numizmatyczne, 3/4 (1999","author":[{"family":"Paszkiewicz","given":"Borys."}],"issued":{"raw":"1999"}}