Tables on sunspot-frequency for 1749–1948

• 1 January 1948
• journal article
• Published by American Geophysical Union (AGU) in Journal of Geophysical Research
• Vol. 53  (3) , 241
• https://doi.org/10.1029/te053i003p00241

Abstract

Keywords

• TABLES ON SUNSPOT
• FREQUENCY FOR 1749