1. The vowel formants of deaf and normal hearing eleven-to-fourteen year old boys;Angelocci;J. Acoust. Soc. Am.,1964
2. The Edinburgh Articulation Test;Anthony,1971
3. Use of feedback in established and developing speech;Borden;Haskins Laboratories: Status Report on Speech Research,1979
4. Vocal tract modelling using linear prediction with applications to deaf speech;Brooks,1978
5. Teaching vowel articulation with the Computer Vowel Trainer: Methodology and results;Brooks;Brit. J. Audiol.,1981