Moustafa Dahab Mohamed Abed El Fattah creator preparation. Yehia E. Abed El Hady thesis advisor. Hesham M. El Araby thesis advisor. text theses ua 1997 monographic eng ara 175 Leaves : illustrations 30 cm. + specialized By Moustafa Dahab Mohamed Abed El Fattah; Supervision Prof. Dr. Yehia E. Abed El Hady, Dr. Hesham M. El Araby Thesis (M.Sc.)-Cairo University, 1997 Bibliography: pages 173-175 centeral northern part of western desert-Egypt EG-GICUC 260205 20260224102742.0 eng