{"id":"001588367","type":"book","title":"Studia nad dziejami Słowiańszczyzny, Polski i Rusi w wiekach średnich","publisher":"Wydawn. Nauk. Uniw. Im. A. Mickiewicza","publisher-place":"Pozna","author":[{"family":"Łowmiański","given":"Henryk"}],"issued":{"raw":"1986"}}