1. Speech Analysis, Synthesis and Perception;Flanagan,1972
2. A note on the vocal tract wall impedance;Fant;STL-QPSR4,1976
3. Finite Element Method for Acoustical Engineers—Fundamentals and Application;Kagawa,1981
4. Boundary element simulation of a vocal tract and its modal model;Kagawa,1987
5. Boundary element vocal tract models and their acoustic characteristics;Yamabuchi,1988