{"id":"001017474","type":"book","title":"Birka, handelsstaden","publisher":"Kungl. Boktryckeriet P.A. Norstedt och Söner","publisher-place":"Stockholm","pages":"19-26","container-title":"Ansgars Birka : En vikingatida handelsplats","author":[{"family":"Arbman","given":"Holger 1904-1968"}],"issued":{"raw":"1965"}}