1. Berlyne, D.Structure and direction in thinking. New York: Wiley, 1965.
2. Brown, R., & Lennenberg, E. A study in language and cognition.Journal of Abnormal and Social Psychology, 1954,49, 452–462.
3. Bruner, J. The course of cognitive growth.American Psychologist, 1964,19, 1–16.
4. Carpenter, F. The new languages. In E. Carpenter and M. McLuhan (Eds.),Explorations in communication. Boston: Beacon Press, 1960.
5. Chapanis, A. Words, words, words.Human Factors, 1965,7, 1–17.