1. Shivakumara BC, Chandrashekara MS, Kavitha E, Paramesh L (2014) Studies on 226Ra and 222Rn concentration in drinking water of Mandya region, Karnataka State, India. J Radiat Res Appl Sci 7:491–498
2. Amin RM (2013) Evaluation of radon gas concentration in the drinking water and dwellings of south-west Libya, using CR-39 detectors. Int J Environ Sci 4(4):484–490
3. Alenezy MD (2014) Radon concentrations measurement in Aljouf, Saudi Arabia using active detecting method. Nat Sci 6:886–896
4. Nita DC, Moldovan M, Sferle T, Ona VD, Burghele BD (2013) Radon concentrations in water and Indoor air in North-West regions of Romania. Rom J Phys 58(Supplement):S196–S201
5. USNRC (United States Nuclear Regulatory Commission) (1999) Risk Assessment of Radon in Drinking Water, Committee on Risk Assessment of Exposure to Radon in Drinking Water, Board on Radiation Effects Research, Commission on Life Sciences, National Research Council. National Academy Press, Washington, D.C.
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