References
- Grützmacher M. Zur Analyse von Geräuschen. Ztschr. techn. Physik 1929; 10: 570
- Thienhaus E. Neuere Versuche zur Klangfarbe und Lautstärke von Vokalen. Ztschr. techn. Physik 1934; 15: 637
- Palva T. On Speech Audiometry. Acta otolaryng. 1959; 49: 429
- Fant G. Phonetic and phonemic basis for the transcription of Swedish word material. Acta oto-laryng. 1954; Suppl. 116: 83
- Burniston-Brown G. The vortex motion causing edge tones. Proc. Phys. Soc. 1937; 49: 493
- Rayleigh. The Theory of Sound, II. New York 1945; 310
- Potter R., Kopp G., Green H. Visible Speech. New York 1947
- Koenig W., Dunn H. K., Lacy L. Y. The Sound Spectrograph. J. Acoust. Soc. Am. 1946; 18–19
- Kopp G. A., Green H. Basic Phonetic Principles of Visible Speech. J. Acoust. Soc. Am. 1946; 18–74
- Fletcher H., Steinberg J. C. Articulation Testing Methods. J. Acoust. Soc. Am. 1929; 1(Suppl.)