@techreport{4477, title = {New Methods for the P300 Visual Speller}, author = {Biessmann, F.}, number = {1}, editors = {Hill, J. }, organization = {Max-Planck-Gesellschaft}, institution = {Max-Planck Institute for Biological Cybernetics, Tübingen, Germany}, school = {Biologische Kybernetik}, month = nov, year = {2006}, doi = {}, month_numeric = {11} }