Oscillations of the baseline of solar magnetic field and solar irradiance on a millennial timescale
Scientific Reports (2019) - Comments
pubmed: 31235834  doi: 10.1038/s41598-019-45584-3  issn: 2045-2322 

V. V. Zharkova, S. J. Shepherd, S. I. Zharkov, E. Popova