TY - JOUR T1 - Characterization of sleep spindles using higher order statistics and spectra A1 - Akgul, T. A1 - Sun, M.G. A1 - Sclabassi, R.J. A1 - Cetin, A.E. JA - IEEE Trans on Biomedical Engineering Y1 - 2000 VL - 47 SP - 997 EP - 1009 N1 - 23.11.2011 M2 - doi: 10.1109/10.855926 ER -