![](https://www.pdfsearch.io/img/bd43e207cc0b966e7428b624ac7f2039.jpg) Date: 2011-10-27 23:35:37
| | Sunspot Number Workshop at Sunspot Why the Sunspot Number Needs Re-examination E.W. Cliver Space Vehicles DirectorateAdd to Reading ListSource URL: www.leif.orgDownload Document from Source Website File Size: 857,64 KBShare Document on Facebook
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