A spelling device for the paralysed
Birbaumer, N., Ghanayim, N., Hinterberger, T., Iversen, I., Kotchoubey, B., K|{uuml}|bler, A., Perelmouter, J., Taub, E. and Flor, H. 1999. A spelling device for the paralysed. Nature. 398, 6725 (Mar. 1999), 297--298.
1999