![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)
| Document Date: 2013-06-14 23:43:07 Open Document File Size: 854,37 KBShare Result on Facebook
City Brussels / / Facility Wolf Sunspot Numbers Using Backbones Leif Svalgaard Stanford University / Royal Greenwich Observatory / / Organization Stanford University / / Person José Vaquero / Wolf Sunspot Numbers Using Backbones / / Position assistant / / SportsLeague Stanford University / /
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