@article{TobiasVoelkerGuneschetal.2012,
  author    = {Kaufmann Tobias and Stefan V{\"o}lker and Laura Gunesch and Andrea K{\"u}bler},
  title     = {Spelling is just a click away - a user-centered brain-computer interface including auto-calibration and predictive text entry},
  doi       = {10.3389/fnins.2012.00072},
  year      = {2012},
}