{"id":"001438929","type":"book","title":"Czy Józef Kostrzewski był badaczem wczesnego średniowiecza?","publisher":"Wyd. Muzeum archeologicziego","publisher-place":"Poznan","pages":"101-110","container-title":"Fontes Archaeologici Posnanienses, 50 (2014","author":[{"family":"Buko","given":"Andrzej."}],"issued":{"raw":"2014"}}