{"id":"001470382","type":"article","title":"Cannonballs from the Olsztyn turret","publisher":"Zakład Narodowy im. Ossolińskich","publisher-place":"Wrocław","pages":"123-132","container-title":"Fasciculi Archaeologiae Historicae, 28 (2015): From the Problems of Historical Archaeology","author":[{"family":"Strzyż","given":"Piotr."}],"issued":{"raw":"2015"}}