Articles | Volume 22, issue 5
Ann. Geophys., 22, 1691–1704, 2004
https://doi.org/10.5194/angeo-22-1691-2004
© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 22, 1691–1704, 2004
https://doi.org/10.5194/angeo-22-1691-2004
© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
08 Apr 2004
08 Apr 2004
Results of the Helsinki magnetic observatory 1844-1912
H. Nevanlinna
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