{"id":"000934147","type":"book","title":"Starożytne górnictwo i hutnictwo żelaza w Górach Świętokrzyskich","publisher":"Państwowe Wydawnictwo Naukowe","publisher-place":"Warszawa/Kraków","author":[{"family":"Bielenin","given":"Kazimierz"}],"issued":{"raw":"1974"}}