1. Meteorology of the Earth’s Upper Atmosphere, Ed. by G. A. Kokin and S. S. Gaigerov (Gidrometeoizdat, Leningrad, 1981) [in Russian].
2. A. I. Semenov, N. N., Shefov, L. M. Fishkova, E. V. Lysenko, S. P. Perov, G. V. Givishvili, L. N. Leshchenko, and N. P. Sergeenko, “Climatic changes in the upper and middle atmosphere,” Dokl. Earth Sci. 349 (1), 870–872 (1996).
3. E. N. Kadygrov, Microwave Radiometry of Thermal Stratification the Atmosphere (Shans, Moscow, 2020) [in Russian].
4. A. E. Basharinov, A. S. Gurvich, and S. T. Egorov, Radio Emission of the Earth as a Planet (Nauka, Moscow, 1974) [in Russian].
5. O. I. Yakovlev, A. G. Pavel’ev, and S. S. Matyugov, Satellite Monitoring of the Earth: Radio Occultation Monitoring of the Atmosphere and Ionosphere (Librokom, Moscow, 2010) [in Russian].