{"id":"003050554","type":"article","title":"Een Romeinse schatvondst bij Urk?","publisher":"Genootschap","publisher-place":"Amsterdam","pages":"1-13","container-title":"Jaarboek voor munt- en penningkunde, 102 (2015","author":[{"family":"Heteren","given":"Adriaan van"}],"issued":{"raw":"1993"}}