@article{Guger_2012,
 title={Comparison of Dry and Gel Based Electrodes for P300 Brain–Computer Interfaces},
 volume={6},
 ISSN={1662-4548},
 url={http://dx.doi.org/10.3389/fnins.2012.00060},
 DOI={10.3389/fnins.2012.00060},
 journal={Frontiers in Neuroscience},
 publisher={Frontiers Media SA},
 author={Guger,
 Christoph and Krausz,
 Gunther and Allison,
 Brendan Z. and Edlinger,
 Guenter},
 year={2012} }