Comparison between KPVT/SPM and SoHO/MDI magnetograms with an application to solar irradiance reconstructionsT. Wenzler, S. K. Solanki, N. A. Krivova and D. M. FluriA&A, 427 3 (2004) 1031-1043DOI: https://doi.org/10.1051/0004-6361:20041313