{"id":"001583492","type":"book","title":"Poles, Ruthenes and Saxons on the River Bug in 1018","publisher":"Verlag Uwe Krebs","publisher-place":"Wendeburg","pages":"239-252","container-title":"Life on the edge :social, political and religious frontiers in early medieval Europe","author":[{"family":"Wołoszyn","given":"Marcin"}],"issued":{"raw":"2017"}}