{"id":"001243709","type":"book","title":"Z badań nad zamkami w Polsce w wieku 13. (From research on castles in Poland in the 13th century)","publisher-place":"Warszawa","pages":"287-304","container-title":"Kwartalnik Historii Kultury Materialnej, 50,3/4 (2002","author":[{"family":"Kajzer","given":"Leszek."}],"issued":{"raw":"2002"}}