{"id":"001017475","type":"book","title":"Björkö som missionsplats","publisher":"Kungl. Boktryckeriet P.A. Norstedt och Söner","publisher-place":"Stockholm","pages":"27-32","container-title":"Ansgars Birka : En vikingatida handelsplats","author":[{"family":"Ljungber","given":"Helge"}],"issued":{"raw":"1965"}}