{"id":"001515498","type":"book","title":"On The Chemical Composition of 'Chocolate' Flint from Central Poland","publisher":"Polska Akademia Nauk","publisher-place":"Wrocław","pages":"99-114","container-title":"Archaeologia Polona, 54 (2016): Investigatin geochemical and petrographic methods for identifying siliceous rocks in archaeology","author":[{"family":"Hughes","given":"Richard."}],"issued":{"raw":"2016"}}