Chaitow, L., Bradley, D., & Gilbert, C. (2002). Multidisciplinary approaches to breathing pattern disorders. London: Harcourt.
2.
Haruki, Y., Homma, I., Umezawa, A., & Masaoka, Y. (Eds.). (2001). Respiration and emotion. Tokyo: Springer-Verlag.
3.
Ley, R. (1994). Special issue on respiratory psychophysiology. Biofeedback and Self- Regulation, 19, 97-189.
4.
Ley, R. (2001). Respiratory psychophysiology and behavior modification. Behavior Modification, 25(4), 491-494.
5.
Schleifer, L., Ley, R. & Spalding, T. (2002). A hyperventilation theory of job stress and musculoskeletal disorders. American Journal of Industrial Medicine, 41(5), 420-432.
6.
Timmons, B., & Ley, R. (1994). Behavioral and psychological approaches to breathing disorders. New York: Plenum.
7.
von Euler, C., & Katz-Salamon, M. (1988). Respiratory psychophysiology. London: Macmillan.
8.
Wientjes, C., & Grossman, P. (1998). Special issue on respiratory psychophysiology. Biological Psychology, 49, 1-128.
