{"id":"000335789","type":"book","title":"Comments to the lithic industry of the Buto-Maadi culture in Lower Egypt","pages":"267-277","container-title":"Environmental change and human culture in the Nile Basin and Northern Africa until the second millennium B.C. Proceedings of the international symposium, Dymaczewo near Poznań 5-10 September 1988","author":[{"family":"Schmidt","given":"K."}]}