Withanage, A P Radioactivity of beach sand in the south western coast of Sri Lanka. [electronic resource] - Radiation protection dosimetry Mar 2013 - 384-9 p. digital Publication Type: Journal Article ISSN: 1742-3406 Standard No.: 10.1093/rpd/ncs107 doi Subjects--Topical Terms: Bathing BeachesCalibrationEnvironmentGamma RaysGeographyPotassium Radioisotopes--analysisRadiation Monitoring--methodsRadioisotopes--analysisSilicon DioxideSoil Pollutants, Radioactive--analysisSpectrometry, Gamma--methodsSri LankaThorium--analysisUranium--analysis