1. V. L. Fraishtadt, A. L. Kuranov, and E. G. Sheikin, Tech. Phys. 43, 1309 (1998).
2. V. I. Kopchenov, A. B. Vatazhin, and O. V. Gouskov, in Proceedings of the 9th International Conference on Space Planes and Hypersonic Systems and Technologies, Norfolk, 1999, AIAA Pap. 99-4971.
3. Yu. P. Golovachev and S. Yu. Sushchikh, Tech. Phys. 45, 168 (2000).
4. S. O. Macheret, M. N. Shneider, and R. B. Miles, in Proceedings of the 39th AIAA Aerospace Science Meeting and Exhibition, Reno, 2001, AIAA Pap. 2001-0492.
5. V. Bityurin, A. Bocharov, D. Baranov, and S. Leonov, in Proceedings of the 40th AIAA Aerospace Science Meeting and Exhibitiion, Reno, 2002, AIAA Pap. 2002-0492.