author        = "Cessateur, G. and Shapiro, A. I. and Dominique, M. and
                       Kretzschmar, M. and Krivova, N. and Shapiro, A.V. and
                       Schmutz, W. and Schöll, M. and Solanki, S. and Tagirov, R.
                       and Thuillier, G. and Wehrli, C. and Yeo, K. L.",
      title         = "{Solar Spectral Irradiance as observed by LYRA/PROBA2 and
      year          = "2012",