1. Some mechanical properties of lower lip movement during speech production;Abbs;Phonetica,1973
2. Mechanisms of speech motor execution and control;Abbs,1996
3. Peripheral mechanisms of speech motor control;Abbs,1976
4. A new headmounted lip–jaw movement transduction system for the study of motor speech disorders;Barlow;Journal of Speech and Hearing Research,1983
5. Temporal patterns of coarticulation: Lip rounding;Bell-Berti;Journal of the Acoustical Society of America,1982