Reconstruction of total and spectral solar irradiance from 1974 to 2013 based on KPVT, SoHO/MDI, and SDO/HMI observationsK. L. Yeo, N. A. Krivova, S. K. Solanki and K. H. GlassmeierA&A, 570 (2014) A85DOI: https://doi.org/10.1051/0004-6361/201423628
