Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRegional analytical model of ionospheric total electron content: Monthly mean and standard deviation.AuthorsGulyaeva, T. L.PublicationRadio Science, 1999, Vol 34, Issue 6, p1507ISSN0048-6604Publication typeArticleDOI10.1029/1999RS900080