{"id":"000934437","type":"book","title":"Wrocław lewobrzeżny we wczesnym średniowieczu","publisher":"Zakład Narodowy Imienia Ossolińskich","publisher-place":"Wrocław/Warszawa/Kraków","author":[{"family":"Kaźmierczyk","given":"Józef 1926-1993"}],"issued":{"raw":"1966"}}