{"id":"001253018","type":"book","title":"Elita Sieradzkiego w późnym średniowieczu jako grupa fundatorów. Wstęp do badań. (The elite of the Sieradz region as founders in late middle ages. Research in progress)","publisher-place":"Warszawa","pages":"189-206","container-title":"Kwartalnik Historii Kultury Materialnej, 52,2 (2004","author":[{"family":"Kajzer","given":"Leszek"}],"issued":{"raw":"2004"}}