1. Casella G, Berger R (2002) Statistical inference, 2nd edn. Duxbury Press, Pacific Grove
2. George AC, Knutson EO, Franklin H (1983) Radon and radon daughter measurements in solar buildings. Health Phys 45:413–420
3. International Commission on Radiological Protection (1993) Protection against radon-222 at home and at work. ICRP Publication 65. Ann. ICRP 23(2)
4. International Commission on Radiological Protection (2010) Lung cancer risk from radon and progeny. Draft report for consultation. ICRP ref 4843-4564-6599. Available at http://www.icrp.org/docs/ICRP_Statement_on_Radon_AND_Lung_cancer_risk_from_radon_and_progeny(for_consultation).pdf
5. Letourneau EG, McGregor RG, Walker WB (1984) Design and interpretation of large surveys for indoor exposure to radon daughters. Radiat Prot Dosim 7:303–308