Two populations of sunspots and secular variations of their characteristics
Crossref DOI link: https://doi.org/10.1134/S1063773716090048
Published Online: 2016-10-21
Published Print: 2016-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Nagovitsyn, Yu. A.
Pevtsov, A. A.
Osipova, A. A.
Tlatov, A. G.
Miletskii, E. V.
Nagovitsyna, E. Yu.
License valid from 2016-10-01