A note on the convergence analysis of LMS adaptive filters with Gaussian data. - J. B. Foley; Francis M. Boland (IEEE Trans. Acoust. Speech Signal Process., 1988)

Improved noise canceller performance by means of an adaptive arrangement of IIR and FIR filters. - C. P. Downing; Francis M. Boland; J. B. Foley (ICASSP, 1989)