{"id":"003041434","type":"book","title":"Silex raw materials from the Kelheim district (Bavaria, Germany) in the lithic assemblage of the Lower Mesolithic site Ullafelsen (Tyrolean Alps, Austria)","publisher":"Verlag Dr. Faustus","publisher-place":"Büchenbach","pages":"59-70","container-title":"Gedankenschleifen : | ISSN: 9783933474667","author":[{"family":"Bertola","given":"S."},{"family":"Schäfer","given":"Dieter"}],"issued":{"raw":"2013"}}