1. T.J. Hixon: Respiratory Function in Speech and Song (Singular, San Diego 1991) pp. 1–54
2. A. L. Winkworth, P. J. Davis, E. Ellis, R. D. Adams: Variability and consistency in speech breathing during reading: Lung volumes, speech intensity, and linguistic factors, JSHR 37, 535–556 (1994)
3. Ph.D. Thesis;M Thomasson,2003
4. B. Conrad, P. Schönle: Speech and respiration, Arch. Psychiat. Nervenkr. 226, 251–268 (1979)
5. M.H. Draper, P. Ladefoged, D. Whitteridge: Respiratory muscles in speech, J. Speech Hear. Disord. 2, 16–27 (1959)