The three-hour-range index measuring geomagnetic activity
Article first published online: 7 DEC 2012
Copyright 1939 by the American Geophysical Union.
Terrestrial Magnetism and Atmospheric Electricity
Volume 44, Issue 4, pages 411–454, December 1939
How to Cite
1939), The three-hour-range index measuring geomagnetic activity, Terr. Magn. Atmos. Electr., 44(4), 411–454, doi:10.1029/TE044i004p00411., , and (
- Issue published online: 7 DEC 2012
- Article first published online: 7 DEC 2012
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