1. The chrysanthemum and the sword;Benedict,1946
2. Causes and reasons in failures to perceive fearful faces;de Bonis,2004
3. Duchenne, G. B. (1990). In R. A. Cuthbertson, (Ed. & Trans.) The mechanism of human facial expression or an electro-physiological analysis of the expression of the emotions. New York: Cambridge University Press. (Original work published 1862).
4. Universals and cultural differences in facial expressions of emotion;Ekman,1972
5. The argument and evidence about universals in facial expressions of emotion;Ekman,1989