@article{FuhrmannSeehaferValorietal.2011,
  author    = {Marcel Fuhrmann and Norbert Seehafer and Gherardo Valori and T. Wiegelmann},
  title     = {A comparison of preprocessing methods for solar force-free magnetic field extrapolation},
  journal   = {Astronomy and astrophysics : an international weekly journal},
  volume    = {526},
  doi       = {10.1051/0004-6361/201015453},
  year      = {2011},
}