1. Scientific Assessment of Ozone Depletion: 2010, Global Ozone Research and Monitoring Project, Report No. 52, World Meteorological Organization, Geneva (2011).
2. P.K. Bhartia, R. D. McPeters, L. E. Flynn, et al., Atmos. Meas. Tech., No. 6, 2533 (2013).
3. A. M.Thompson, J.C.Witte, R.D.McPeters, et al., J. Geophys. Res., 108, No. D2, 8238 (2003).
4. A. M.Thompson, J.B. Stone, J.C.Witte, et al., J. Geophys. Res., 112, No. D12, D12S13 (2007).
5. H. G. J. Smit, W. Straeter, B. Johnson, et al., J. Geophys. Res., 112, D19306 (2007).