1. Vertical laryngeal position during continuous and discrete vocal frequency change;Shipp;J Speech Hear Res,1975
2. The linguistic use of different phonation types;Ladefoged,1983
3. Vocal fold vibration for obstruent consonants;Stevens,1991
4. Breath-stream dynamics of simple-released-plosive production;Rothenberg;Bibliotheca Phonetica,1968
5. The origin of sound patterns in vocal tract constraints;Ohala,1983