@article{ValoriKliemToeroeketal.2010,
  author    = {Gherardo Valori and Bernhard Kliem and Tibor T{\"o}r{\"o}k and Viacheslav S. Titov},
  title     = {Testing magnetofrictional extrapolation with the Titov-Demoulin model of solar active regions},
  doi       = {10.1051/0004-6361/201014416},
  url       = {http://www.aanda.org/},
  year      = {2010},
}