@article{MWM72012,
         author = {M. Spüler, W. Rosenstiel, M. Bogdan},
         title = {Principal component based covariate shift adaption to reduce non-stationarity in a MEG-based brain-computer interface },
         journal = {EURASIP Journal on Advances in Signal Processing},
         year = {2012},
         month = {7},
         number = {2012:129},
}