00602naa#a2200169#i#450# EN\\bibl\12743 20260214010914.6 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 Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2016 9 с. Journal article local Gulyaeva Tamara Lazarevna zh-szf.ru