1. The perception of an oral-nasal continuum generated by articulatory synthesis;Abramson;Haskins Laboratories Status Report on Speech Research,1979
2. The morphology of musculus uvulae;Azzam;Cleft Palate Journal,1977
3. Reduction of speech spectra by analysis-by-synthesis techniques;Bell;Journal of the Acoustical Society of America,1961
4. Bell-Berti, F. The velopharyngeal mechanism: An electromyographic study. Haskins Laboratories Status Report on Speech Research, 1973, Supplement, 1–159.
5. Control of pharyngeal cavity size for English voiced and voiceless stops;Bell-Berti;Journal of the Acoustical Society of America,1975