1. De Marsily, G. (1986). Quantitative hydrogeology. Groundwater hydrology for engineers. New york: Academic Press, Harcourt Brace Jovanovich Publishers.
2. Ferry, C., Richon, P., & Sabroux, J. C. (1996). TRACI, a model for radon transfer in soils: Description and validation. Proceedings of the third international workshop on the geological aspects of radon risk mapping, Prague 1996 (pp. 108–116).
3. Soil water effects on concentration profiles and variations of 222Rn in a vadose zone;Fukui;Health Physics,1987
4. Steady-state Rn222 diffusion through tailings and multiple layers of covering materials;Hart;Health Physics,1986
5. Meteorological influence upon the radon-content of soil-gas;Kovach;Transactions of the American Geophysical Union,1945