@article{2019a,
author={, .. and Соловьев, А.А. and , .. and , .. and , .. and , .. and , .. and , ..},
title={A combined analysis of geomagnetic data and cosmic ray secondaries for the September 2017 space weather event studies},
journal={Russian Journal of Earth Sciences},
publisher={Геофизический центр Российской Академии Наук},
year={2019},
pages={-},
volume={19},
issue={4},
}