A multi-tone pseudo-cascade filtered-x LMS adaptive notch filter. - Dennis R. Morgan; James C. Thi (ICASSP, 1991)

A broadband pseudo-cascade active control system. - James C. Thi; Dennis R. Morgan (ICASSP, 1992)

Delayless subband active noise control. - James C. Thi; Dennis R. Morgan (ICASSP (1), 1993)

A multitone pseudocascade, filtered-X LMS adaptive notch filter. - Dennis R. Morgan; James C. Thi (IEEE Trans. Signal Process., 1993)

A delayless subband adaptive filter architecture. - Dennis R. Morgan; James C. Thi (IEEE Trans. Signal Process., 1995)