TY JOUR TI Wavelet analysis of geomagnetically induced currents during the strong geomagnetic storms KW geomagnetically induced currents KW geomagnetic storm KW autotransformer KW continuous wavelet transform JO Russian Journal of Earth Sciences AU Aksenovich, T.V. AU Bilin, V.A. AU Saharov, Y.A. AU Selivanov, V.N. PY 2022 IS 22 PB Geophysical Center of the Russian Academy of Sciences