On error function selection for the analysis of nonlinear time series. - Daniel F. Drake; Douglas B. Williams (ICASSP, 1992)

Recovering dynamically independent coordinates for time-delay-embedded product systems. - Daniel F. Drake; Douglas B. Williams (ICASSP (3), 1993)

Minimum mean square error estimation for a class of chaotic systems. - Daniel F. Drake (ICASSP, 1996)

Linear, Random Representations of Chaos. - Daniel F. Drake; Douglas B. Williams (IEEE Trans. Signal Process., 2007)