{"id":"001405762","type":"book","title":"New results from two playa-sites in the Gilf Kebir (Egypt)","pages":"215-222","container-title":"Late prehistory of the Nile Basin and the Sahara. [Proceedings of the international symposium, Poznań 11 - 15 September 1984","author":[{"family":"Schön","given":"Werner."}],"issued":{"raw":"1989"}}