Re-examination of the Daily Number of Sunspot Groups for the Royal Observatory, Greenwich (1874 – 1885)
Crossref DOI link: https://doi.org/10.1007/s11207-016-0856-7
Published Online: 2016-02-18
Published Print: 2016-11
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Willis, D. M.
Wild, M. N.
Warburton, J. S.
License valid from 2016-02-18