John H. Esling, Lynn Marie Heap, Roy C. Snell, B. Craig Dickson. Analysis of pitch dependence of pharyngeal, faucal, and larynx-height voice quality settings. In The 3rd International Conference on Spoken Language Processing, ICSLP 1994, Yokohama, Japan, September 18-22, 1994. pages 1475-1478, ISCA, 1994. [doi]