@article{GuckenbergerRoeschBaieretal.2012,
  author    = {Matthias Guckenberger and Johannes Roesch and Kurt Baier and Reinhart A. Sweeney and Michael Flentje},
  title     = {Dosimetric consequences of translational and rotational errors in frame-less image-guided radiosurgery},
  year      = {2012},
}