1. V. V. Adushkin and A. A. Spivak, Physical fields in near-surface geophysics (GEOS, Moscow, 2014), p 359.
2. J. A. Chalmers, “Atmospheric electricity” (Hydrometeoizdat, Leningrad, 1974), p 421.
3. Electrification of volcanic plumes
4. P. P. Firstov, R. R. Akbashev, N. A. Zharinov, A. P. Maksimov, T. M. Manevich and D. V. Melnikov, Volcanology and Seismology. 3, 49–62 (2019).
5. O. A. Girina, A. G. Manevich, D. V. Melnikov, A. A. Nuzhdaev and Yu. V. Demyanchu, “Activity of volcanoes of Kamchatka and the Northern Kuriles in 2016 according to the data of the KVERT group”, Materials of the XX regional scientific conference “Volcanism and related processes” dedicated to the Day of the Volcanologist, March 30-31, 2017. Petropavlovsk-Kamchatsky: IVS FEB RAS, 8–10, (2017).