Objective speech quality assessment in patients with intra-oral cancers: voiceless fricatives. - Alan Wrench; Mervyn A. Jack; John Laver; Mary S. Jackson; David S. Soutar; A. Gerry Robertson; Janet MacKenzie Beck (ICSLP, 1992)

A speech therapy workstation for the assessment of segmental quality: voiceless fricatives. - Alan Wrench; Mary S. Jackson; Mervyn A. Jack; David S. Soutar; A. Gerry Robertson; Janet MacKenzie; John Laver (EUROSPEECH, 1993)

Fast formant estimation of children's speech. - Alan Wrench; M. M. Watson; David S. Soutar; A. Gerry Robertson; John Laver (ICSLP, 1994)

Evaluation of a system for segmental speech quality assessment: voiceless fricatives. - Alan Wrench; Mary S. Jackson; David S. Soutar; A. Gerry Robertson; Janet MacKenzie Beck (EUROSPEECH, 1995)