00596naa#a2200169#i#450# EN\INFRA-M\bibl\12743 20240721003029.7 2712-9640 20160917b2016####ek#y0engy0150####ca RUS RU Modification of the solar activity indices in the International Reference Ionosphere IRI and IRI-Plas models due to recent revision of sunspot number time series Journal article Moscow INFRA-M Academic Publishing LLC. 2016 9 с. Journal article local Gulyaeva Tamara Lazarevna naukaru.ru