1. J. S. Derr: Earthquakes lights: a review of observations and present theories. Bull. Seismol. Soc. Ann.,63 (1973), 2177–2187.
2. G. A. Sobolev, S. S. Husamiddinov: Pulsed electromagnetic Earth and ionosphere field disturbances accompanying strong earthquakes. Earthquake Pred. Res.,3 (1985), 33–45.
3. L. M. Fishkova, M. B. Gokhberg, V. A. Pilipenko: Relationship between night airglow and seismic activity. Ann. Geophys.,3 (1985), 689–694.
4. M. Parrot, F. Lefeuvre: Correlation between GEOS VLF emissions and earthquakes. Ann. Geophys.,3 (1985), 737–748.
5. O. N. Serebryakova, S. V. Bilichenko, V. M. Chmyrev, M. Parrot, J. L. Rauch, F. Lefeuvre, O. A. Pokhotelov: Electromagnetic ELF radiation from earthquake regions as observed by low-altitude satellites. Geophys. Res. Lett.,19 (1992), 91–94.