{"id":"001073234","type":"book","title":"The stronghold in Kalisz","publisher":"Institute of Archaeology and Ethnology of the Polish Academy of Science, Warszawa","publisher-place":"Warsaw","pages":"285-304","container-title":"Polish lands at the turn of the first and the second millenia","author":[{"family":"Baranowski","given":"Tadeusz."}],"issued":{"raw":"2004"}}