The intense magnetic storm of March 1918 as recorded by observatory Ógyalla (present day Hurbanovo)
Crossref DOI link: https://doi.org/10.1007/s40328-016-0177-1
Published Online: 2016-07-13
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Valach, Fridrich https://orcid.org/0000-0003-0547-0055
License valid from 2016-07-13