What causes geomagnetic activity during sunspot minimum?
Crossref DOI link: https://doi.org/10.1134/S0016793215080149
Published Online: 2015-12-12
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kirov, B.
Asenovski, S.
Georgieva, K.
Obridko, V. N.
Text and Data Mining valid from 2015-12-01