TY - GEN AU - Remon Raghib Ayoub AU - Abdelaty Badr Salman , AU - Abdelmonem A.Eldougdoug , AU - Zeinab Mohamed Abdelkader , TI - Geology and radioactivity of gabal UM tweir area , north eastern desert , Egypt / PY - 2003/// CY - Cairo : PB - Remon Raghib Ayoub , KW - Geology KW - radioactivity N1 - Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Geology; Issued also as CD ER -