1. V. S. Mukhovatov, Proc. of the 7th Conf. on Plasma Physics and Controlled Nuclear Fusion Research, Culham, CN-21/147 (1965), p. 577.
2. D. P. Ivanov and D. S. Parfenov, Proc. of the 7th Conf. on Plasma Physics and Controlled Nuclear Fusion Research, Culham, CN-21/144 (1965), p. 659.
3. L. A. Artsimovich et al., Proc. of the 7th Conf. on Plasma Physics and Controlled Nuclear Fusion Research, Culham, CN-21/245-a (1965), p. 593.
4. N. A. Gorokhov and G. G. Dolgov-Savel'ev, Pribory i Tekh. Éksperim., No. 1, 126 (1966).
5. N. A. Gorokhov and G. G. Dolgov-Savel'ev, Atomn. Énerg.,21, 295 (1966).