Monthly and yearly mean values of geomagnetic elements and geomagnetic activity indices K and C from Nurmijärvi Geophysical Observatory 1953 - 1965 / C. Sucksdorff ; V. A. Helminen ; M. Kivinen
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| Superior document: | Nurmijärven Geofysikaalisen Observatorion magneettisia mittauksia : Supplement 7 |
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| VerfasserIn: | |
| Place / Publishing House: | Helsinki, 1966 |
| Year of Publication: | 1966 |
| Language: | English |
| Series: | Nurmijärven Geofysikaalisen Observatorion magneettisia mittauksia : Supplement
7 |
| Physical Description: | 55 S.; Ill., graph. Darst., Kt. |
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