Double maxima of 11-year solar cycles
Crossref DOI link: https://doi.org/10.3103/S0884591317010044
Published Online: 2017-03-07
Published Print: 2017-01
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Krivodubskij, V. N.
License valid from 2017-01-01