@article{Aksenov2020analyzing,
author={Aksenov, O.J. and Kozlov, S.I. and Lyakhov, A.N. and Trekin, V.V. and Perunov, Y.M. and Yakubovsky, S.V.},
title={Analyzing existing applied models of the ionosphere for calculating radio wave propagation and possibility of their use for radar systems. I. Classification of applied models and the main requirements imposed on them for radar aids},
journal={Solar-Terrestrial Physics},
publisher={INFRA-M Academic Publishing LLC.},
year={2020},
pages={69-76},
volume={6},
issue={1},
}