![Rudolf Wolf / Royal Observatory / Greenwich / London / Internet backbone / Sunspot Rudolf Wolf / Royal Observatory / Greenwich / London / Internet backbone / Sunspot](https://www.pdfsearch.io/img/06f64e9f51b8161ed5a676f5f2848465.jpg) Date: 2013-06-14 23:43:07Rudolf Wolf Royal Observatory Greenwich London Internet backbone Sunspot | | Reconciling Group and Wolf Sunspot Numbers Using Backbones Leif Svalgaard Stanford University 5th Space Climate Symposium, Oulu, 2013 The ratio between Group SSN and Wolf [Zürich,Add to Reading ListSource URL: www.leif.orgDownload Document from Source Website File Size: 854,37 KBShare Document on Facebook
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