{"id":"001042839","type":"book","title":"Najmłodsza faza grodziska w Szeligach (10-11 w","publisher":"Letter Quality","publisher-place":"Warszawa","pages":"99-108","container-title":"Osadnictwo pradziejowe i wczesnośredniowieczne w dorzeczu Słupianki, pod Płockiem","author":[{"family":"Szymański","given":"Wojciech"}],"issued":{"raw":"1998"}}