@article{Berngardt2018automatic,
author={Berngardt, O.I. and Bubnova, T.V. and Podlesnyi, A.V.},
title={Automatic estimation of dynamics of ionospheric disturbances with 1–15 minute lifetimes as derived from ISTP SB RAS fast chirp-ionosonde data},
journal={Solnechno-Zemnaya Fizika},
publisher={INFRA-M Academic Publishing LLC.},
year={2018},
pages={76-84},
volume={4},
issue={1},
}