{"id":"001051472","type":"book","title":"On the frontier between the West and East Slavonic worlds: the area west of the upper Bug River during 10th-13th centuries","publisher":"Beier+Beran","publisher-place":"Langenweissbach","pages":"57-65","container-title":"Siedlung, Kommunikation und Wirtschaft im westslawischen Raum. Beiträge der Sektion zur slawischen Frühgeschichte des 5. Deutschen Archäologenkongresses in Frankfurt an der Oder, 4. bis 7. April 2005","author":[{"family":"Buko","given":"Andrzej"}],"issued":{"raw":"2007"}}