@article{Kretzschmar:479,
      author        = "Kretzschmar, M. and Dammasch, I.E. and Dominique, M. and
                       Zender, J. and Cessateur, G. and D'Huys, E.",
      title         = "{Extreme Ultraviolet Solar Irradiance during the Rising
                       Phase of Solar Cycle 24 Observed by PROBA2/LYRA}",
      year          = "2012",
}