1. (1995). Roget’s II: The New Thesaurus, 3rd edn. New York: Houghton Mifflin Company.
2. Boiten, F. A. (1998). The effects of emotional behavior on components of the respiratory cycle. Biological Psychology, 49, 29–51.
3. Buchheld, N., Grossman, P., & Walach, H. (2001). Measuring mindfulness in insight meditation (Vipassana) and meditation-based psychotherapy: The development of the Freiburg Mindfulness Inventory. Journal of Meditation Research, 1, 11–34.
4. Depraz, N., Varela, F., & Vermersch, P. (2003). On becoming aware. Amsterdam: John Benjamins.
5. Edelman, G., & Tononi, G. (2000). A universe of consciousness. NY: Basic Books.