Geomagnetic activity and the sunspot cycle.
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| Title: | Geomagnetic activity and the sunspot cycle. |
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| Authors: | ANANTHAKRISHNAN, R. |
| Source: | Nature; 11/7/1953, Vol. 172 Issue 4384, p854-855, 2p |
| Database: | Humanities Source |
| ISSN: | 00280836 |
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