G.G. Vertogradov - D.Sc. (Phys.-Math.), Professor, Southern Federal University. E-mail: vgg@bmail.ru E.G. Vertogradova - Engineer, Southern Federal University. E-mail: evertogr@yandex.ru V.P. Uryadov - D.Sc. (Phys.-Math.), Head of Department. E-mail: uryadovvp@nirfi.sci-nnov.ru

D. S. Korlyakov1, S. V. Litvinov2
1, 2 MIREA – Russian Technological University (Moscow, Russia)

S. V. Litvinov1, E. A. Panshin2, V. O. Skripachev3, A. I. Starikovsky4
1, 3, 4 MIREA – Russian Technological University (Moscow, Russia)
2 Fedorov Institute of Applied Geophysics (Moscow, Russia)

1 Litvinov_S@mirea.ru