1. Influence of stochastic irregularities on the ionospheric conductivity;Alperovich,1994
2. The reflection of geodynamic process in the variations of radon concentration in Earth, before the earthquake in Egypt, 12.10.1992;Finkelstein,1993
3. Nonlinear phenomena in the ionosphere;Gurevich,1978
4. Anomalies in the Sub-ionospheric VLF signals for the 1995 Hyogo-ken Nanbu earthquake;Hayakawa;J. Phys. Earth,1996
5. Radon studies in China;King;Earthquake. Predict. Res.,1985