@article{Kushnarenko2021signs,
author={Kushnarenko, G.P. and Yakovleva, O.E. and Kuznetsova, G.M.},
title={Signs of anomalous behavior of the ionosphere in 2003–2014 at F1-layer heights over Irkutsk},
journal={Solar-Terrestrial Physics},
publisher={INFRA-M Academic Publishing LLC.},
year={2021},
pages={74-80},
volume={7},
issue={2},
}