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Indices of geomagnetic activity
Journal of Atmospheric and Terrestrial Physics, 1954openaire +1 more source
Magnetospheric electric fields and their variation with geomagnetic activity
Reviews of Geophysics, 1976exaly
Prediction of geomagnetic activity on time scales of one to ten years
Reviews of Geophysics, 1986exaly
Geomagnetic Polarity Change, Volcanic Maxima and Faunal Extinction in the South Pacific
Nature, 1970exaly
Indices of geomagnetic activity
Journal of Atmospheric and Terrestrial Physics, 1963openaire +1 more source
Indices of geomagnetic activity
Journal of Atmospheric and Terrestrial Physics, 1953openaire +1 more source