@article{Brajsa:212,
      author        = "Brajsa, R. and Woehl, H. and Vrsnak, B. and Ruzdjak, V.
                       and Clette, F. and Hochedez, J.-F. and Rosa, D.",
      title         = "{Height correction in the measurement of solar
                       differential rotation determined by coronal bright points}",
      year          = "2004",
}