1. Influence of meteorological and geological parameter variables on the concentration of radon in soil gases: application to seismic forecasting in the Provence-Alpes-Cote d’Azur region;Abbad,1995
2. Radon variations and microearthquakes in Western Syria;Al-Hilal;Appl. Radiat. Isot.,1997
3. Results of the long term monitoring of radon content in mineral springs of the Spa of Ladek Zdroj, southwestern Poland;Ciezkowski,1995
4. Estimation of the size earthquake preparation zones;Dobrovollsky;Pure Appl. Geophys.,1979
5. Dubinchuk, V.T., 1993. Radon as a precursor of earthquakes; isotopic and geochemical precursors of earthquakes and volcanic eruptions. IAEA-TECDOC-726.