TY JOUR TI Synchronization of geomagnetic and ionospheric disturbances over Kazan station KW ionospheric disturbances KW geomagnetic field disturbances KW interplanetary magnetic field KW substorm KW magnetohydrodynamic disturbances JO Solnechno-Zemnaya Fizika AU Barhatova, O.M. AU Kosolapova, N.V. AU Barhatov, N.A. AU Revunov, S.E. PY 2017 IS 3 PB INFRA-M Academic Publishing LLC.