Photospheric activity of the Sun with VIRGO and GOLF - Comparison with standard activity proxiesD. Salabert, R. A. García, A. Jiménez, L. Bertello, E. Corsaro and P. L. PalléA&A, 608 (2017) A87DOI: https://doi.org/10.1051/0004-6361/201731560
