1. Boyarchuk, K.A., Karelin, A.V., and Nadol’skii, A.V., Statistical analysis of how the error of chemical potential of water vapor in the atmosphere depends on the distance to an earthquake epicenter, Vopr. Elektromekh., 2010, vol. 116, pp. 39–45.
2. Bullen, E.K., On strain energy and strength in the earth’s upper mantle, Trans. Am. Geophis. Union, 1953, vol. 34, no. 1, pp. 107–116.
3. Davidenko, D.V., Pulinets, S.A., and Uzunov, D., Detection of anomalous disturbances in the atmosphere and ionosphere before the Kultuk earthquake of August 27, 2008, Tr. Gl. Geofiz. Obs. im. A.I. Voeikova, 2012, no. 567, pp. 201–224.
4. Depueva, A.Kh., Mikhailov, A.V., Devi, M., and Barbara, A.K., Spatial and time variations in critical frequencies of the ionospheric F region above the zone of equatorial earthquake development, Geomagn. Aeron., 2007, vol. 47, no. 1, pp. 129–133.
5. Dobrovolsky, I.P., Matematicheskaya teoriya tektonicheskogo zemletryaseniya (Mathematical Theory of Tectonic Earthquake), Moscow: Fizmatlit, 2009.