1. Askar’yan, G.A., Excess negative charge of an electron-photon shower and its coherent radio emission, Sov. Phys. JETP, 1962, vol. 14, no. 2, pp. 441–443.
2. Astapovich, I.S., Meteornye yavleniya v atmosphere Zemli (Meteorite Phenomena in the Earth’s Atmosphere), Moscow: Fizmatlit, 1958.
3. Beech, M. and Foschini, L., A space charge model for electrophonic bursters, Astron. Astrophys., 1999, vol. 345, pp. L27–L31.
4. Beech, M., Brown, P., and Jones, J., VLF detection of fireballs, Earth, Moon Planets, 1995, vol. 68, pp. 181–188.
5. Bronshten, V.A., Physics of Meteoric Phenomena, New York: Springer-Verlag, 1983.