1. G. M. Batanov, V. I. Belousov, Yu. F. Bondar’, V. D. Borzosekov, D. G. Vasil’kov, S. E. Grebenshchikov, I. A. Ivannikov, L. V. Kolik, E. M. Konchekov, D. V. Malakhov, N. V. Matveev, A. I. Meshcheryakov, A. E. Petrov, K. A. Sarksyan, N. N. Skvortsova, et al., Plasma Phys. Rep. 39, 1088 (2013).
2. S. Muto, S. Morita, S. Kubo, T. Shimozuma, H. Idei, and Y. Yoshimura, Rev. Sci. Instrum. 74, 1993 (2003).
3. P. Blanchard, S. Alberti, S. Coda, H. Weisen, P. Nikkola, and I. Klimanov, Plasma Phys. Controlled Fusion 44, 2231 (2002).
4. Yu. V. Esipchuk, N. A. Kirneva, A. A. Martynov, and V. M. Trukhin, Plasma Phys. Rep. 21, 543 (1995).
5. A. I. Meshcheryakov, D. G. Vasilkov, A. A. Vasileva, I. Yu. Vaphin, E. V. Voronova, I. A. Grishina, V. P. Logvinenko, and V. D. Stepakhin, in Proceedings of the 42nd EPS Conference on Plasma Physics, Lisbon, 2015, ECA 39E, P5.148 (2015). http://ocs.ciemat. es/EPS2015ABS/pdf/P5.148.pdf.