References
- Aceña , M. L. , Gonzalez , J. A. and De Pablo , A. 1981 . Influencia de la autoabsorción en la medida de la actividad alfa total en muestras de agua , Report J.E.N. na 505 Madrid
- Cline , W. , Adamovitz , S. , Blackman , C. and Kalm , B. 1983 . Radium and Uranium concentrations in Georgia Community water supplies . Health Physics , 43 : 1 – 12 .
- Cothern , C. R. 1987 . Estimating the Health risks of Radon in drinking water . J. Am. Water Works Assoc , 79 (4) : 153 – 58 .
- Cothern , C. R. and Lappenbusch , W. L. 1983 . Occurrence of uranium in drinking water in the U.S. . Health Physics , 45 ( 1 ) : 89 – 99 .
- Cothern , C. R. and Lappenbusch , W. L. 1984 . Compliance data for the occurrence of Radium and gross alpha particle activity in drinking water supplies in the United States . Health Physics , 46 : 503 – 510 .
- Danali , S. , Margomenou , G. and Veldeki , K. 1986 . The radioactivity of spas on the greek island Ikarria and influencing factors . Health Physics , 50 ( 4 ) : 509 – 513 .
- Gilkeson , R. H. and Cowart , J. B. 1987 . Radium, Radon and Uranium Isotopes in Ground water from Cambrian‐Ordovician Sandstone Aquifers in Illinois . Proceedings of the NWWA Conference on Radon in Groundwater . 1987 , Chelsea, MI. pp. 403 – 22 . Lewis Publishers, Inc. .
- Gilkeson , R. H. , Cowart , J. B. and Holtzman , R. B. 1983 . Hydrogeological and geochemical studies of selected Natural Radioisotopes and Barium in Groundwater in Illinois , University of Illinois at Champaign‐Urbane Water Resources Centre Report No. 83–0180
- Hess , C. T. 1985 . The occurrence of radioactivity in public water supplies in the United States . Health Physics , 48 ( 5 ) : 553 – 586 .
- King , P. , Michel , J. and Moore , W. S. 1982 . Groundwater Geochemistry of Ra‐228, Ra‐226 and Rn‐222 . Geochem. Cosmochim. Acta. , 46 : 1173 – 82 .
- Michel , J. 1990 . “ Relationship of Radium and Radon with geological formations ” . In Radon, Radium and Uranium in drinking water , Edited by: Cothern , C. R. and Rebers , P. A. U.S.A. : Lewis Publishers, Inc. .
- Peake , R. T. 1988 . Radon and geology in the United States . Radiation Protection Dosimetry , 24 ( 1–4 ) : 173 – 177 .
- Suárez , J. A. , González , J. A. and De Pablo , M. A. 1987 . Análisis radioquimico del radio total, radio 226 y radio 224 . Ciemat‐Cedex Sp ISSN 0081–3397
- Soto , J. , Bonet , A. , Diez Caneja , B. , Fernandez , P. , Gomez , J. , Gutierrez , I. , Quindos , L. and Rodenas , C. 1989 . Concentrations de Ra‐226 en aguas embotelladas españolas . VII Congreso de Fisica Médica . 1989 , Oviedo.