1. Apsen, A. G., , Kh. D., Kanonidy, , D. N., Chetayev, , S. P., Chernisheva, , V. M., Sheftel, , Magnetospheric Effects in Atmospheric Electricity (Magnitosfernye effekty v atmosfernom elektrichestve), Nauka, Moscow, 1988,
2. Chalmers, J. A., , Atmospheric Electricity, Pergamon, New York, 1967,
3. Balloon measurements of air-Earth current density at the South Pole before and after a solar flare;Cobb,1987
4. The changes of electrical state of the atmospheric boundary layer under the influence of inadvertent anthropogenic impact: Radioactivity impurity ejection and chimney plumes;Dyachuk,1992
5. Magn. Res.;Erokhin,1990