1. Institute of Continuous Media Mechanics, Ural Branch of the Russian Academy of Sciences, Academika Koroleva Street 1; Perm 614013 Russia
2. Perm State University, Bukireva Street 15; Perm 614990 Russia
3. Institute of Electrophysics, Ural Branch of the Russian Academy of Sciences, Amundsen Street 106; Ekaterinburg 620016 Russia
4. Institute of Technical Chemistry, Ural Branch of the Russian Academy of Sciences, Academika Koroleva Street 3; Perm 614013 Russia