{"id":"001059754","type":"book","title":"Urbanisation in Northern and Eastern Europe, ca","publisher":"de Gruyter","publisher-place":"Berlin/New York","pages":"233-270","container-title":"Post-Roman towns, trade and settlement in Europe and Byzantium : 1. The heirs of the Roman West","author":[{"family":"Callmer","given":"Johan 1945-"}],"issued":{"raw":"2007"}}