TY  JOUR
TI  Electron density at F1-layer heights in the last solar minimum (2007–2009)
KW  semi-empirical model of electron density
KW  annual variations
KW  F1-layer heights
JO  Solar-Terrestrial Physics
AU  Kushnarenko, G.P.
AU  Yakovleva, O.E.
AU  Kuznetsova, G.M.
PY  2018
IS  4
PB  INFRA-M Academic Publishing LLC.