1. O. D. Barteneva, N. I. Nikitinskaya, G. G. Sakunov, and L. K. Veselova, Transparency of Atmospheric Depth in Visible and IR Spectral Region (Gidrometeoizdat, Leningrad, 1991) [In Russian].
2. G. P. Gushchin, Methods, Instruments, and Results of Measurement of Spectral Atmospheric Transparency (Gidrometeoizdat, Leningrad, 1988) [In Russian].
3. E. L. Makhotkina, I. N. Plakhina, and A. B. Lukin, “Some Specific Features of Variations of Atmospheric Turbidity on the Territory of Russia in the Last Quarter of Twentieth Century,” Meteorologiya i Gidrologiya, No. 1, 28 (2005) [Meteorology and Hydrology 1, 28 (2005)].
4. E. V. Yarkho, “Time Variations of Atmospheric Aerosol Optical Depth in Different Climatic Regions,” Izvestiya Rossiiskoi Akademii Nauk. Fizika Atmosfery i Okeana 30(3), 417 (1994).
5. E. V. Gorbarenko, “Atmospheric Aerosol Turbidity in Moscow at the End of Twentieth Century,” Meteorologiya i Gidrologiya, No. 7, 13–18 (2003) [Meteorology and Hydrology, No. 7, 13–18 (2003)].