TY  JOUR
TI  Trends in the F2-layer critical frequency from data obtained at the ionospheric station Yakutsk during the period from 1956 to 2017
KW  long-term trends
KW  solar activity
KW  subauroral ionosphere
KW  F2-layer critical frequencies
JO  Solnechno-Zemnaya Fizika
AU  Kobyakova, S.E.
AU  Gololobov, A.Y.
AU  Karimov, R.R.
AU  Stepanov, A.E.
PY  2025
IS  11
PB  INFRA-M Academic Publishing LLC.