00828naa#a2200205#i#450# EN\INFRA-M\bibl\20506 20241224215623.2 2500-0535 20180331b2018####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 21 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 RUS Minasyants Gennady Sergeevich Minasyants Tamara Mihaylovna Tomozov Vladimir Mihaylovich naukaru.ru