{"id":"002017400","type":"article","title":"Uncommon varieties of early Umayyad copper coins from Bilad as-Sam","publisher":"Société royale de numismatique","publisher-place":"Bruxelles","container-title":"Revue Belge de Numismatique et de Sigillographie, 165 (2019), 0774-5885","author":[{"family":"Vervloet","given":"Luc"}],"issued":{"raw":"2019"}}