A comparison of composite features under degraded speech in speaker recognition. - John P. Openshaw; Z. P. Sun; John S. Mason (ICASSP (2), 1993)

On the limitations of cepstral features in noise. - John P. Openshaw; John S. Mason (ICASSP (2), 1994)

Noise robust estimate of speech dynamics for speaker recognition. - John P. Openshaw; John S. Mason (ICSLP, 1996)