We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUnusual activity of the Sun during recent decades compared to the previous 11,000 years.AuthorsSolanki SK; Usoskin IG; Kromer B; Schüssler M; Beer JPublicationNature, 2004, Vol 431, Issue 7012, p1084ISSN1476-4687Publication typearticleDOI10.1038/nature02995