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2. Acoustic analysis of three male voices of different quality;Cleveland,1985
3. Pressure-flow events during singing;Bouhuys;Ann NY Acad Sci,1968
4. Vocal intensity, subglottic pressure, and airflow relationships in singers;Rubin;Folia Phoniatr,1967
5. On the predictability of formant levels and spectrum envelopes from formant frequencies;Fant,1956