%0 Journal Article %T 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 %A Gulyaeva, T.L. %K Global electron content, sunspot number, solar radio flux, ionosphere, plasmasphere, model, IRI, IRI-Plas %J Solnechno-Zemnaya Fizika %D 2016 %N 2 %P 9 %I INFRA-M Academic Publishing LLC.