1. A. I. Grigor’ev and I. D. Grigor’eva, Zh. Tekh. Fiz. 59(2), 79 (1989) [Sov. Phys. Tech. Phys. 34, 176 (1989)].
2. I. P. Stakhanov, On the Physical Nature of Ball Lightning (Nauchnyi Mir, Moscow, 1996).
3. R. F. Avramenko, B. N. Bakhtin, V. I. Nikolaeva, et al., Zh. Tekh. Fiz. 60(12), 57 (1990) [Sov. Phys. Tech. Phys. 35, 1396 (1990)].
4. A. I. Klimov and G. I. Mishin, Pis’ma Zh. Tekh. Fiz. 19(13), 19 (1993) [Tech. Phys. Lett. 19, 405 (1993)].
5. S. E. Emelin, V. S. Semenov, A. I. Éikhval’d, and A. K. Khassani, in Ball Lightning in Laboratory: A Collection of Articles (Khimiya, Moscow, 1994), pp. 87–95.