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and K. K. Kelly. "The January 30

Gandrud, B., J. E. Dye, D. Baumgardner, G. V. Ferry, M. Loewenstein, R. Chan, L. Sanford, and B. Gary (1989), and K. K. Kelly. "The January 30, Geophys. Res. Lett., 17, 457-460.