Geomagnetic Calibration of Sunspot Numbers Leif Svalgaard HEPL, Stanford University SSN-Workshop, Sunspot, NM, Sept. 2011 Wolfâs Several Lists of SSNs During his life Wolf…
What Geomagnetism can Tell Us about the Solar Cycle? Leif Svalgaard HEPL, Stanford University Bern, 11 Nov., 2013 ISSI Workshop: The Solar Activity Cycle: Physical Causes…