@article{Verbeeck:949,
      author        = "Verbeeck, C. and Higgins, P. and Colak, T. and Watson, F.
                       and Delouille, V. and Mampaey, B. and Qahwaji, R.",
      title         = "{A Multi-wavelength Analysis of Active Regions and
                       Sunspots by Comparison of Automatic Detection Algorithms}",
      year          = "2013",
}