1. S. Singer, The Nature of Ball Lightning(Plenum, New York, 1971)
2. J.D. Barry, Ball Lightning and Bead Lightning(Plenum, New York, 1980)
3. R.A. Leonov, Ball Lightning Enigma(Nauka, Moscow, 1965) (In Russian)
4. M.V. Lomonosov, in Selected Works on Chemistry and Physics(AS USSR Publishers, Moscow 1961), pp. 220–256 (In Russian)
5. F. Arago, Annuaire au roi par le bureau des longitudes, Notices Scient. 221 (1838)