{"id":"001276507","type":"book","title":"Z badań nad wczesnośredniowiecznym grodziskiem w Gronowie, woj. toruńskie, stanowisko 1","pages":"87-103","container-title":"Archeologia (Toruń), 21 (1993","author":[{"family":"Chudziak","given":"Wojciech."}],"issued":{"raw":"1993"}}