TY - GEN AU - Mohamed Ahmed Ali Mohamed AU - F.S.Bakhit , AU - Z.M.Abd El kader , TI - Geology , petrology and radioactivity of gabal Elsibai Area , central eastern desert , Egypt / PY - 2001/// CY - Cairo : PB - Mohamed Ahmed Ali Mohamed , KW - Egypt KW - Gabal Elsibai Area KW - Radioactivity N1 - Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Geology; Issued also as CD ER -