00827naa#a2200205#i#450# EN\INFRA-M\bibl\18601 20241203222258.2 2712-9640 20180329b2018####ek#y0engy0150####ca RUS RU Fe/O ratio behavior as an indicator of solar plasma state at different solar activity manifestations and in periods of their absence Journal article Moscow INFRA-M Academic Publishing LLC. 2018 25 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 RUS Minasyants Gennady Sergeevich Minasyants Tamara Mihaylovna Tomozov Vladimir Mihaylovich zh-szf.ru