Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFour-beam measurements of ionospheric structure with the MU radar during the Low-latitude auroral event of 20-23 October 1989.AuthorsOliver, William L.; Fukao, Shoichiro; Takami, Tomoyuki; Tsuda, Toshitaka; Kato, SusumuPublicationGeophysical Research Letters, 1991, Vol 18, Issue 11, p1975ISSN0094-8276Publication typeArticleDOI10.1029/91GL02004