2-day, 3-day, and 5-6-day oscillations of the geomagnetic field detected by principal component analysis
Crossref DOI link: https://doi.org/10.1186/BF03352427
Published Online: 2014-06-20
Published Print: 2002-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Yamada, Yuji
