1. A. L. Gol'denberg and G. S. Nusinovich, in: Science and Technology Sources [in Russian], Élektronika Series (1985), No. 17, p. 3.
2. V. A. Flyagin et al., Proceedings of the 3rd International Symposium on Heating in Toroidal Plasmas, Grenoble, France, March, 1982,3, p. 1059.
3. Y. Terumichi et al., 9th International Conference on Infrared and Millimeter Waves, Takarazuka, Japan, October, 1984, Th. 8.5.
4. P. Woskoboinikov, D. R. Cohn, and R. J. Temkin, Int. J. Infrared and Millimeter Waves,4, No. 2, 205 (1983).
5. P. Woskoboinikov et al., 10th International Conference on Infrared and Millimeter Waves, Lake Buena Vista, Florida, USA, December, 1985, Conf. Digest, T. 6.4.