{"id":"001074097","type":"book","title":"Extraction methods in the Bronze Age at the Wierzbica 'Zele' flint mine site (Central Poland): a model","publisher":"Archaeopress","publisher-place":"Oxford","pages":"109-116","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":"Lech","given":"Hanna"}],"issued":{"raw":"2011"}}