{"id":"001070454","type":"book","title":"Stone axe: surprise or not in the Middle Palaeolithic?","publisher":"Wydawnictwo Uniwersytetu Wrocławskiego","publisher-place":"Wrocław","pages":"255-267","container-title":"Middle Palaeolithic human activity and palaeoecology : New discoveries and ideas","author":[{"family":"Valoch","given":"Karel"}],"issued":{"raw":"2010"}}