{"id":"001525669","type":"article","title":"The early history of Visby","publisher":"Verlag Schmidt-Römhild","publisher-place":"Lübeck","pages":"609-618","container-title":"Lübecker Kolloquium zur Stadtarchäologie im Hanseraum 10","author":[{"family":"Widerström","given":"Per"}],"issued":{"raw":"2016"}}