Abbady, Adel G E Natural radioactivity and dose assessment for phosphate rocks from Wadi El-Mashash and El-Mahamid Mines, Egypt. [electronic resource] - Journal of environmental radioactivity 2005 - 65-78 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0265-931X Standard No.: 10.1016/j.jenvrad.2005.04.003 doi Subjects--Topical Terms: EgyptEnvironmental Exposure--statistics & numerical dataMiningPotassium Radioisotopes--analysisRadiometryRadium--analysisSpectrometry, GammaThorium--analysis