TY JOUR TI Ionospheric response over the high and middle latitude regions of Eurasia according to ionosonde data during the severe magnetic storm in March 2015 KW high- and mid-latitude ionosphere KW ionosonde chain KW geomagnetic storm KW variations in ionosphere ionization KW variations in thermosphere composition JO Solnechno-Zemnaya Fizika AU Chernigovskaya, M.A. AU Ratovsky, K.G. AU Zherebtsov, G.A. AU Setov, A.G. AU Khabituev, D.S. AU Kalishin, A.S. AU Stepanov, A.E. AU Belinskaya, A.Y. AU Bychkov, V.V. AU Grigorieva, S.A. AU Panchenko, V.A. PY 2024 IS 10 PB INFRA-M Academic Publishing LLC.