Digital filter realizations without overflow oscillations. - William L. Mills; Clifford T. Mullis; Richard A. Roberts (ICASSP, 1978)

Normal realizations of IIR digital filters. - William L. Mills; Clifford T. Mullis; Richard A. Roberts (ICASSP, 1979)

An iterative estimation technique for power spectra by an ARMA model. - William L. Mills; Clifford T. Mullis; Richard A. Roberts (ICASSP, 1980)