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2. Yu. D. Korolev and G. A. Mesyats, Physics of the Pulsed Breakdown in Gases (Nauka, Moscow, 1991) [in Russian].
3. E. M. Bazelyan and Yu. P. Raizer, Spark Discharge (Moscow Institute of Physics and Technology (State University), Dolgoprudnyĭ, Moscow oblast, Russia, 1997; CRC Press, Boca-Raton, FL, United States, 1998).
4. A. N. Lagarkov and I. M. Rutkevich, Ionization Waves in Electric Breakdown of Gases (Nauka, Moscow, 1989; Springer, New York, 1993).
5. I. M. Rutkevich, Fiz. Plazmy 15, 844 (1989).