00656naa#a2200181#i#450# EN\\bibl\41327 20260310185750.2 2500-0535 20201222b2020####ek#y0engy0150####ca RUS RU Geometric factor in seasonal variations of daily average values of the geomagnetic index Dₛₜ Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2020 6 с. Journal article local Геология. Геологические и геофизические науки. 55 RUS Makarov Georgy Afanasyevich ras.editorum.ru