@article{Barhatova2017synchronization,
author={Barhatova, O.M. and Kosolapova, N.V. and Barhatov, N.A. and Revunov, S.E.},
title={Synchronization of geomagnetic and ionospheric disturbances over Kazan station},
journal={Solar-Terrestrial Physics},
publisher={INFRA-M Academic Publishing LLC.},
year={2017},
pages={58-66},
volume={3},
issue={4},
}