{"id":"001556605","type":"article","title":"Krzemienie w osadach glacigenicznych Pagórów Chełmskich (prahistora - geologia)","publisher-place":"Warszawa","pages":"149-182","container-title":"Krzemień narztuowy w pradziejach 2016","author":[{"family":"Libera","given":"Jerzy."}],"issued":{"raw":"2016"}}