{"id":"001183104","type":"book","title":"Notched extraction tools made of rock and flint from the Late Neolithic flint-mine \"Lousberg\" in Aachen, Northrhine-Westphalia (Germany)","publisher":"Service de Préhistoire, Université de Liège","pages":"193-207","container-title":"Préhistoire Européenne, 10 (1997","author":[{"family":"Weiner","given":"Jürgen"}],"issued":{"raw":"1997"}}