{"id":"001011441","type":"book","title":"Gród w Kaliszu na tle grodów piastowskich","publisher":"Instytut Archeologii i Etnologii PAN (Kalisz)","publisher-place":"Kalisz","pages":"5-12","container-title":"Kalisz wczesnośredniowieczny. Materiały Sesji, Kalisz, 15 czerwca 1998","author":[{"family":"Kurnatowska","given":"Zofia"}],"issued":{"raw":"1998"}}