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Auroral Electrojet Magnetic Activity Indices AE (11) for 1971
Joe Haskell AllenCarl C. AbstonLeslie D. Morris
出版U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Environmental Data Service, 1975
URLhttp://books.google.com.hk/books?id=_G1NQg4ukLUC&hl=&source=gbs_api
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