@article{Deminov2017dependence, author={Deminov, M.G. and Deminova, G.F. and Depuev, V.K. and Depueva, A.K.}, title={Dependence of the F2-layer critical frequency median at midlatitudes on geomagnetic activity}, journal={Solar-Terrestrial Physics}, publisher={INFRA-M Academic Publishing LLC.}, year={2017}, pages={67-73}, volume={3}, issue={4}, }