@MISC{TOBI-21,
  author = {S.C. Kleih, F. Nijboer, S. Halder & A. Kübler},
  title = {Motivation Modulates the P300 Amplitude during BCI Use},
  howpublished = {},
  url = {http://www.tobi-project.org/sites/default/files/public/Publications/Poster_APM_2009.pdf},
  year = {2009}
}