1. This fiery, clever and cruel ball;Akkuratov;Miracles Adventures Moscow,1992
2. A bunch of ions? It's possible;Alftan;Techn. Yoth. Moscow,1982
3. Motion of Charged Particles in the Electric and Magnetic Fields;Artsimovich,1978
4. Ball Lightning and Bead Lightning;Barry,1980
5. Ball Lightning. A Popular Guide to a Longstanding Mystery in Atmospheric Electricity;Boerner,2019