{"id":"001219040","type":"book","title":"Early urbanism in Southern Scandinavia ca. 700-1100 AD. Trading places, central settlements and new model centres in continuity and change","pages":"73-93","container-title":"Archaeologia Polona, 32 (1994","author":[{"family":"Callmer","given":"Johan 1945-"}],"issued":{"raw":"1994"}}