The SPAR speech filing system. - Mark A. Huckvale; David Michael Brookes; L. T. Dworkin; M. E. Johnson; David J. B. Pearce; L. C. Whitaker (ECST, 1987)

Larynx synchronous formant analysis. - L. C. Whitaker; David J. B. Pearce (ECST, 1987)