{"id":"001055451","type":"book","title":"Granice Mazowsza we wczesnym średniowieczu","publisher":"Instytut Archeologii i Etnologii PAN (Warszawa)","publisher-place":"Warszawa","pages":"167-172","container-title":"Problemy przeszłości Mazowsza i Podlasia","author":[{"family":"Kowalczyk","given":"Elżbieta"}],"issued":{"raw":"2005"}}