1. Large-scale disturbances of auroral origin during strong magnetic storms of October 29–31, 2003, and November 7–11, 2004, according to the data of the GPS network and ionosondes
2. Solar Cyclic Variations in Hydrogen Ion Density in the Topside Ionosphere. Kosm. nauka tehnol.;Bogovskii;Dodatok,2002
3. Statistics of Terrestrial Electromagnetic Field Fluctuation.;Garmash;Radio Physics and Radio Astronomy,2003
4. Wave disturbances in the ionosphere accompanied the solar flare and the strongest magnetic storm of September 25, 1998.;Grigorenko;Геомагнетизм и аэрон,2003
5. Specific features of the ionospheric storm of March 20-23, 2003.;Grigorenko;Геомагнетизм и аэрон,2005