{"id":"001074089","type":"book","title":"The origins of flint extraction in Britain","publisher":"Archaeopress","publisher-place":"Oxford","pages":"29-33","container-title":"Proceedings of the 2nd International Conference of the UISPP Comission on Flint Mining in Pre- and Protohistoric times (Madrid, 14-17 October 2009","author":[{"family":"Field","given":"David"}],"issued":{"raw":"2011"}}