@article{MWM122012,
         author = {M. SpĆ¼ler, W. Rosenstiel, M. Bogdan},
         title = {Online Adaptation of a c-VEP Brain-Computer Interface(BCI) Based on Error-Related Potentials and Unsupervised Learning},
         journal = {PLoS ONE},
         year = {2012},
         month = {12},
         volume = {7},
         number = {12},
         pages = {e51077},
}