Time-frequency spectral analysis of speech. - David Rainton; Steve J. Young (ICSLP, 1990)

Speech recognition-a time-frequency subspace filtering based approach. - David Rainton (ICASSP, 1991)

Noise-robust HMMs based on minimum error classification. - Kazumi Ohkura; David Rainton; Masahide Sugiyama (ICASSP (2), 1993)