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The top documents tagged [ratio groupzurich ssn]
1 Reconciling Group and International Sunspot Numbers Leif Svalgaard, HEPL, Stanford University Edward W. Cliver, Space Vehicles Directorate, AFRL XII
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1 Solar Wind During the Maunder Minimum Leif Svalgaard Stanford University Predictive Science, San Diego, 4 Sept. 2012
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Solar Wind During the Maunder Minimum
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Reconciling Group and International Sunspot Numbers
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