Solar cycle 18 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Solar cycle 18" in English language version.

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books.google.com

doi.org

  • Kane, R.P. (2002), "Some Implications Using the Group Sunspot Number Reconstruction", Solar Physics, 205 (2): 383–401, Bibcode:2002SoPh..205..383K, doi:10.1023/A:1014296529097, S2CID 118144552
  • Dodson, Helen W.; Hedeman, E. Ruth; Mohler, Orren C. (August 1974). "Comparison of activity in solar cycles 18, 19, and 20". Reviews of Geophysics. 12 (3): 329–341. Bibcode:1974RvGSP..12..329D. doi:10.1029/RG012i003p00329.

harvard.edu

ui.adsabs.harvard.edu

  • Kane, R.P. (2002), "Some Implications Using the Group Sunspot Number Reconstruction", Solar Physics, 205 (2): 383–401, Bibcode:2002SoPh..205..383K, doi:10.1023/A:1014296529097, S2CID 118144552
  • Dodson, Helen W.; Hedeman, E. Ruth; Mohler, Orren C. (August 1974). "Comparison of activity in solar cycles 18, 19, and 20". Reviews of Geophysics. 12 (3): 329–341. Bibcode:1974RvGSP..12..329D. doi:10.1029/RG012i003p00329.

nasa.gov

science.nasa.gov

oma.be

sidc.oma.be

  • SIDC Monthly Smoothed Sunspot Number. "[1]"

semanticscholar.org

api.semanticscholar.org

  • Kane, R.P. (2002), "Some Implications Using the Group Sunspot Number Reconstruction", Solar Physics, 205 (2): 383–401, Bibcode:2002SoPh..205..383K, doi:10.1023/A:1014296529097, S2CID 118144552

spacetoday.org

spaceweather.com

  • Spotless Days. "[2]"

telenet.be

users.telenet.be

  • Solaemon's Spotless Days Page. "[3]"

web.archive.org