Revisiting the Sunspot Number
Crossref DOI link: https://doi.org/10.1007/s11214-014-0074-2
Published Online: 2014-08-05
Published Print: 2014-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Clette, Frédéric
Svalgaard, Leif
Vaquero, José M.
Cliver, Edward W.
Text and Data Mining valid from 2014-08-05