{"id":"001034014","type":"book","title":"Jedna (1028) czy dwie (1028, 1030) wyprawy Mieszka 2","publisher":"Instytut Archeologii i Etnologii PAN (Wrocław)","publisher-place":"Wrocław","pages":"143-146","container-title":"Słowiańszczyzna w Europie średniowiecznej. 1. (Festschrift Lech Leciejewicz","author":[{"family":"Labuda","given":"Gerard 1916-"}],"issued":{"raw":"1996"}}