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Comparison of the variations of sunspot number, number of sunspot groups, and sunspot area, 1875-2013 / Robert M. Wilson.
Connect to full text Available online
View online- Format:
- Book
- Government document
- Author/Creator:
- Wilson, Robert M., author.
- Series:
- NASA technical paper ; 2014-218192.
- NASA/TP ; 2014-218192
- Language:
- English
- Subjects (All):
- Solar cycle.
- Sunspots.
- Maxima and minima.
- Genre:
- technical reports.
- Technical reports
- Technical reports.
- Physical Description:
- 1 online resource (viii, 23 pages) : illustrations.
- Place of Publication:
- Huntsville, Alabama : National Aeronautics and Space Administration, Marshall Space Flight Center, April 2014.
- Notes:
- Title from title screen (viewed March 12, 2015).
- "April 2014."
- Includes bibliographical references (pages 21-23).
- OCLC:
- 904781888
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