Al-Jar Allah, (2001). "Radon exhalation from granites used in Saudi Arabia." Journal of Environmental Radioactivity 53: 91-98
Al-Jar Allah, M., et al. (2001). "Determination of radon exhalation rates from tiles using active and passive techniques." Radiation Measurements 34: 491-495
Al-Jar Allah, M., et al. (2005). "Correlation between radon exhalation and radium content in granite samples used as construction material in Saudi Arabia." Radiation Measurements 40: 625-629
Arafat, W. (2004). "Specific activity and hazards of granite samples collected from the Eastern Desert of Egypt." Journal of Environmental Radioactivity 75: 315-327
Chao, C. Y., et al. (1999). "Radon emanation of building material--impact of back diffusion and difference between one-dimensional and three-dimensional tests." Health Physics 76: 675-681
Chen, C. J., et al. (1993). "Radon exhalation rate from various building materials." Health Physics 64: 613-619
Osmanlioglu, A.E. (2006). "Natural radioactivity and evaluation of effective dose equivalent of granites in Turkey." Radiation Protection Dosimetry 121: 325-329
Righi, S., et al. (2006). "Natural radioactivity and radon exhalation in building materials used in Italian dwellings." Journal of Environmental Radioactivity 88: 158-170
Rizzo, S., et al. (2001). "Gamma activity and geochemical features of building materials: estimation of gamma dose rate and indoor radon levels in Sicily." Applied Radiation and Isotopes 55: 259-265
Stoulos, S., et al. (2003). "Assessment of natural radiation exposure and radon exhalation from building materials in Greece." Journal of Environmental Radioactivity 69: 225-40.
Anjos, R. M., et al. (2004). Radioecology teaching: evaluation of the background radiation levels from areas with high concentrations of radionuclides in soil. European Journal of Physics, 25 (2), 133–144.
Fathivand, A.A., J., Amidi and Najafi, A. (2007). The natural radioactivity in the bricks used for the construction of the dwelling Teheran areas of Iran. Radiation Protection Dosimetry, 123, 391–393.
Fathivand, A.A., Amidi. J. (2007). Assessment of natural radioactivity and the associated hazards in Iranian cements. Radiation Protection Dosimetry ,124, 145–147.
Faure, G. (1986). Principles of Isotope Geology, second ed. John Wiley & Sons, ISBN: 0471864129.
Hadad, K., R.,Doulatdar and Mehdizadeh, S (2007). Indoor radon monitoring in Northern Iran using passive and active measurements. Journal of Environmental Radioactivity 95 39-52.
Jacob, P. (1986). Effective dose equivalents for photon exposure from plane sources on the ground. Radiation Protection Dosimetry, 14, 299–310.
Kretz, R. (1983). Symbols for rock-forming minerals, American Mineralogist, 67, 277-279.
Khan, K., Khan. H. (2001). Natural gamma-emiting radionuclides in Pakistani Portland cement. Applied Radiation Isotopes 54, 861-865.
Leung, K.C., S.Y., Lau and Poon, C.B. (1990). Gamma radiation dose from radionuclides in Hong Kong soil. Journal of Environmental Radioactivity. 11, 279–290.