TY - BOOK AU - Saeid Y. Omar AU - M. A. Fadel , AU - M. S. Eltahawy , TI - Determination of the concentration of natural and man-made radioactivity in the North-East region of Libya / PY - 1997/// CY - Cairo : PB - Saeid Y. Omar , N1 - Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Biophysics UR - http://172.23.153.220/th.pdf ER -