{"id":"000980620","type":"book","title":"Narzędzia krzemienne w epoce kamienia na ziemi chełmińskiej","publisher":"Wydawnictwo Naukowe Uniwersytetu Mikołaja Kopernika","publisher-place":"Toru","author":[{"family":"Osipowicz","given":"Grzegorz"}],"issued":{"raw":"2010"}}