Fourth-Order and Weighted Mixed Order Direction-of-Arrival Estimators. - Suwandi Lie; Abdul Rahim Leyman; Yong Huat Chew (IEEE Signal Process. Lett., 2006)

Underdetermined Source Separation for Non-Stationary Signal. - Suwandi Lie; A. Rahim Leyman; Yong Huat Chew (ICASSP (3), 2007)