1. AB-5 System Manual, 2010. Pylon Electronics Inc.
2. Preliminary results of simultaneous radon and thoron tests in Ottawa;Chen;Radiat. Prot. Dosim.,2008
3. Darby, S., Hill, D., Auvinen, A., Barros-Dios, J.M., Baysson, H., Bochicchio, F., Deo, H., Falk, R., Forastiere, F., Hakama, M., Heid, I., Kreienbrock, L., Kreuzer, M., Lagarde, F., Mäkeläinen, I., Muirhead, C., Oberaigner, W., Pershagen, G., Ruano-Ravina, A., Ruosteenoja, E., Rosario, A.S., Tirmarche, M., Tomásek, L., Whitley, E., Wichmann, H.-E., Doll, R., 2004. Radon in Homes and Risk of Lung Cancer: Collaborative Analysis of Individual Data from 13 European Case-Control Studies. BMJ 330, doi:10.1136/bmj.38308.477650.63.
4. Durridge Co. Inc., 2011. Available on 〈http://www.durridge.com/services_rad7_calibration. shtml〉 (accessed 24 November 2011).
5. Environmental control of the German radon reference chamber;Honig;Nucl. Instrum. Methods Phys. Res. A,1998