1969
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J. Geophys. Res. 74 (14), 3512-3516 (1969).
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J. Geophys. Res. 74 (14), 3499-3511 (1969).
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Solar Phys. 7 (3), 478-485 (1969).
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J. Geophys. Res. 74 (9), 2289-2301 (1969).
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John Wiley and Sons, Inc., First Edition, (1969)
‡Undergraduate Student Author
†Graduate Student Author