IEEE Signal Processing Letters
IEEE Signal Processing Letters > 2011 > 18 > 9 > 535 - 538
IEEE Signal Processing Letters > 2011 > 18 > 10 > 571 - 574
IEEE Signal Processing Letters > 2011 > 18 > 9 > 535 - 538
IEEE Signal Processing Letters > 2011 > 18 > 10 > 571 - 574