Magnetic results from Helsinki Magnetic-Metorological Observatory / 2 : Geomagnetic activity 1844 - 1856 / Heikki Nevenlinna ...
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| Superior document: | Magnetic results from Helsinki Magnetic-Metorological Observatory 2 |
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| MitwirkendeR: | |
| Place / Publishing House: | Helsinki : Ilmatieteen Laitos, 1992 |
| Year of Publication: | 1992 |
| Language: | English |
| Series: | Geofysikaalisia julkaisuja
30 |
| Physical Description: | 65 S.; graph. Darst. |
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