Fromkin, Victoria ( 1966). Neuro-muscular specification of linguistic units . Language and Speech, 9, 170.
2.
Harris,Katherine,Lysaught , G.F. and Schvey, M.M. (1965). Some aspects of the production of oral and nasal labial stops. Language and Speech, 8, 135.
3.
Lubker, J.F. and Parris Pamela, (1970). Simultaneous measurements of intraoral pressure, force of labial contact, and labial electromyographic activity during production of the stop consonant cognates /p/ and /b/. J. acoust. Soc. Amer., 47, 625.
4.
Perrin, W. and Sharf, (1970). Differential electromyographic responses of bilabial stop consonants. Speech and Hearing Science Research Reports, Univ. Michigan, 1.
5.
Tatham, M.A.A. and Morton, Katherine ( 1968b). Further electromyography data. Occasional Papers, 1, 25. Univ. Essex Language Centre.
6.
Tatham, M.A.A. and Morton, Katherine ( 1970). Explaining some apparently context-sensitive effects in speech. Occasional Papers, 9, 116. Univ. Essex Language Centre.
7.
Tatham, M.A.A. and Morton, Katherine ( 1970). Some electromyography data towards a model of speech production. Language and Speech, 12, 39.