1. M. B. Vinogradova, O. V. Rudenko, and A. P. Sukhorukov, Theory of Waves [in Russian], Nauka, Moscow (1979).
2. J. Wallace and M. Camac, “Effects of absorption at 10.6 μm on laser-beam transmission,” J. Opt. Soc. Am.,60, No. 11, 1587–1594 (1970).
3. A. D. Wood, M. Camac, and F. T. Gerry, “Effects of 10.6 μm laser induced air chemistry on the atmospheric refractive index,” Appl. Opt.,10, No. 8, 1877–1882 (1971).
4. A. I. Osipov, V. Ya. Panchenko, and A. A. Filippov, “Index of refraction of vibrationally excited gases, ” Kvant. Élektron.,11, No. 9, 1874–1876 (1984).
5. I. G. Basov, V. A. Danilychev, I. G. Rudoi, and A. M. Soroka, “Kinetics of self-focusing of CO2 laser radiation in air,” Dokl. Akad. Nauk SSSR,284, No. 6, 1346–1349 (1985).