{"id":"001537963","type":"book","title":"Exploiting Flint Deposits in Northeastern Bulgaria in the Chalcolithic","publisher":"Editura Renaissance","publisher-place":"Bucureşti","pages":"173-178","container-title":"The lower Danube in prehistory : landscape changes and human-environment interactions","author":[{"family":"Mateva","given":"Boryana"}],"issued":{"raw":"2011"}}