1. Ahern, B., 2003. Personal communication to author (RGMC).
2. Passive integrating radon monitor for environmental monitoring;Alter;Health Physics,1981
3. Radon in homes and risk of lung cancer: collaborative analysis of individual data from 13 European case–control studies;Darby;British Medical Journal,2005
4. Denman, A.R., Groves-Kirkby, C.J., Phillips, P.S., Crockett, R.G.M., Woolridge, A.C., 2004a. Domestic radon monitoring with electrets – practical experiences of large-scale use. In: Proceedings of the 11th International Congress of the International Radiation Protection Association. 23–28 May 2004, Madrid, Spain. ISBN 84-98078-05-2.
5. Denman, A.R., Crockett, R.G.M., Groves-Kirkby, C.J., Phillips, P.S., Woolridge, A.C., 2004b. Reliability of integrating radon gas measurements in the domestic environment – an inter-comparison between one-week, one-month and three-month sampling. In: Proceedings of the 11th International Congress of the International Radiation Protection Association. 23–28 May 2004, Madrid, Spain. ISBN 84-98078-05-2.