LDR 00841naa#a2200217#i#450#
001     EN\INFRA-M\bibl\109303
005     20260411091617.6
011 ## _a2500-0535
100 ## _a20251210b2025####ek#y0engy0150####ca
101 0# _aENG
102 ## _aRU
200 1# _aTrends in the F2-layer critical frequency from data obtained at the ionospheric station Yakutsk during the period from 1956 to 2017
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2025
215 ## _a7 с.
608 ## _aJournal article
       _2local
675 ## _aИоносфера: теории, влияния ионосферы, распределение и т. д.. 550.388.2
       _zENG
700 #1 _aKobyakova
       _gSargylana Egorovna
700 #1 _aGololobov
       _gArtem Yuryevich
700 #1 _aKarimov
       _gRustam Ramilyevich
700 #1 _aStepanov
       _gAleksandr Egorovich
856 4# _azh-szf.ru
       _u