{"id":"001017031","type":"book","title":"Urbanization in Scandinavia and the Baltic region c","publisher":"Stalling Verlag","publisher-place":"Stockholm","pages":"50-90","container-title":"Developments around the Baltic and the North Sea in the Viking Age. The 12th Viking Congress","author":[{"family":"Callmer","given":"Johan 1945-"}],"issued":{"raw":"1994"}}