?url_ver=Z39.88-2004&rft_id=10.1109%2Fiembs.2008.4650388&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Kamel%2C+N.&rft.aulast=Kamel&rft.aufirst=N.&rft.title=A+generalized+subspace+approach+for+estimating+visual+evoked+potentials&rft.date=2008&rft.isbn=9781424418152&rft.genre=proceeding