Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleIrregularities in the 80-100 km region: A photographic approach.AuthorsArmstrong, E. B.PublicationRadio Science, 1986, Vol 21, Issue 3, p313ISSN0048-6604Publication typeArticleDOI10.1029/RS021i003p00313