Comparison of the variations of sunspot number, number of sunspot groups, and sunspot area, 1875-2013 / Robert M. Wilson.
| Author/creator | Wilson, Robert M. author. |
| Other author | George C. Marshall Space Flight Center, issuing body. |
| Other author | United States. National Aeronautics and Space Administration sponsoring body. |
| Format | Electronic |
| Publication | Huntsville, Alabama : National Aeronautics and Space Administration, Marshall Space Flight Center, April 2014. |
| Description | 1 online resource (viii, 23 pages) : illustrations. |
| Supplemental Content | https://purl.fdlp.gov/GPO/gpo54398 |
| Series | NASA/TP ; 2014-218192 NASA technical paper 2014-218192. ^A367864 |
| General note | Title from title screen (viewed March 12, 2015). |
| General note | "April 2014." |
| Bibliography note | Includes bibliographical references (pages 21-23). |
| Funding information | Sponsored by National Aeronautics and Space Administration M-1381 |
| GPO item number | 0830-H-15 (online) |
| Govt. docs number | NAS 1.60:2014-218192 |
Availability
| Library | Location | Call Number | Status | Item Actions |
|---|---|---|---|---|
| Electronic Resources | Access Content Online | ✔ Available |