This section lists refereces cited in the introduction page.
(1) Woodham A, Peters D. DK encyclopedia of healing therapies. 1st American ed. London; New York: DK Pub.; 1997.
(2) Feuerstein G. The Shambhala guide to yoga. 1st ed. Boston, MA: Shambhala; 1996.
(3) Watson D. A dictionary of mind and body :therapies, techniques, and ideas in alternative medicine, the healing arts and psychology. London: Andre Deutsch; 1995.
(4) Hewitt J. The complete yoga book :yoga of breathing, yoga of posture, and yoga of meditation. New York: Schocken Books; 1978.
(5) Bliss S, Berkeley Holistic Health Center. The New holistic health handbook :living well in a new age. Lexington, Mass.: S. Greene Press; 1985.