The Upper Limit of Sunspot Activity as Observed over a Long Time Interval
Crossref DOI link: https://doi.org/10.1007/s11207-015-0657-4
Published Online: 2015-02-14
Published Print: 2015-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Nagovitsyn, Yu. A.
Obridko, V. N.
Kuleshova, A. I.
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