References
- April 1986 . Interim Indoor Radon and Radon Decay Product Measurement Protocols April , Washington, DC —ERA 520/1–86–04
- Farrar , A. C. 1986 . President's Page . Am. Ind. Hyg. Assoc. J , 47 : A638
- Kinsman , S. , eds. 1960 . Radiological Health Handbook Washington, DC USDHEW-PHS, PB 121784R
- September 1986 . Radon/Radon Progeny Cumulative Proficiency Report September , Washington, DC EPA 5201 1–86–008