1. ASTM, 1998. Standard test method for radon in drinking water. Designation: D5072-98.
2. The measurement of 222Rn in drinking water by low-level liquid scintillation counting;Barnett;J. Radioanal. Nucl. Chem.,1992
3. The carcinogenity of radon;Berger;Environ. Sci. Technol.,1990
4. Limits for qualitative detection and quantitative determination;Currie;Application to Radiochemistry. Anal. Chem.,1968
5. A two-sample model for the comparison of radiation doses;Fokianos;Chemometrics Intelligent Lab. Syst.,2005