{"id":"001279084","type":"book","title":"Polska Centralna we wczesnym średniowieczu w świetle badań archeologicznych i osadniczych","publisher-place":"Pozna","pages":"125-159","container-title":"Slavia Antiqua, 48 (2007","author":[{"family":"Sikora","given":"Jerzy"}],"issued":{"raw":"2007"}}