"Préhistoire Afrique du Nord-Est." . . "África nororiental" . . "Congressos." . . "Steinzeit." . . "Egipte." . . "Edad de Piedra África." . . "Steentijd." . . "Àfrica central." . . "Symposium on the Stone Age Archaeology of Northeastern Africa. <5, 1997, Kiekrz>." . . "Líbia." . . "Hominidés fossiles Afrique du Nord-Est." . . "Afryka Północno-Wschodnia" . . "Sudan." . . "Polska Akademia Nauk. Archaeological Commission." . . "Excavacions arqueològiques." . . "Recent research into the stone age of Northeastern Africa (1997 : Kiekrz)" . . . "Etiòpia." . . "Muzeum Archeologiczne. <Poznań>." . . "África" . . "Africa" . "Afrika <Nordost>" . . "Africa, Northeast" . . "Fouilles archéologiques Afrique occidentale." . . "Archéologie préhistorique Afrique occidentale." . . "Edat de la pedra." . . "Epoka kamienia Afryka Północno-Wschodnia." . . "Afrika" . . . . "Edad de piedra África nororiental Congresos y asambleas." . . . . . . "Materiały konferencyjne" . . . "Recent research into the stone age of northeastern Africa" . . "Recent research into the Stone Age of Northeastern Africa : [proceedings of the International Symposium ... Kiekrz near Poznań 23-26 August, 1997]" . . . "Recent research into the Stone Age of Northeastern Africa : [proceedings of the international symposium ... Kiekrz near Poznań 23-26 August, 1997]" . . . . . . . . . . . . . . . . . . . . . . . "Recent research into the stone age of Northeastern Africa"@en . "Recent research into the stone age of Northeastern Africa" . . "Conference papers and proceedings"@en . . . . . . . "Recent research into the Stone Age of Northeastern Africa" . . . . . . . . . . . . . . . . . . "Recent Research Into the Stone Age of Northeastern Africa" . . . . . . . .