1. Abbs, J.H. (1971). Control theory criteria for evaluating feedback mechanisms in speech production. Invited paper presented at panel on afferent mechanisms in speech production at the American Speech and Hearing Association Convention, Chicago.
2. The influence of the gamma motor system on jaw movements during speech: a theoretical framework and some preliminary observations;Abbs;J. Speech Hearing Res.,1973
3. Abbs, J.H. (1979). Speech motor equivalence: a need for a multilevel control model. Proceedings 9th International Congress of Phonetics, Copenhagen. pp. 318–324.
4. Abbs, J.H. and S.M. Barlow (1980). Intended speech reactions in the facial musculature to transient intensity increments in auditory feedback. Presented at the Association for Research in Otolaryngology, Anaheim, California.
5. Abbs, J.H. and K.J. Cole (1980). Intended reactions to external displacement stimuli in the labial musculature of man. Presented at Society for Neuroscience. Cincinnati, Ohio.