@article{SimonKaethnerRufetal.2015,
  author    = {Nadine Simon and Ivo K{\"a}thner and Carolin A. Ruf and Emanuele Pasqualotto and Andrea K{\"u}bler and Sebastian Halder},
  title     = {An auditory multiclass brain-computer interface with natural stimuli: Usability evaluation with healthy participants and a motor impaired end user},
  journal   = {Frontiers in Human Neuroscience},
  volume    = {8},
  number    = {1039},
  doi       = {10.3389/fnhum.2014.01039},
  year      = {2015},
}