Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleVariability of the ring current source population.AuthorsThomsen, M. F.; Borovsky, J. E.; McComas, D. J.; Collier, M. R.PublicationGeophysical Research Letters, 1998, Vol 25, Issue 18, p3481ISSN0094-8276Publication typeArticleDOI10.1029/98GL02633