1. Allen, W. H. Audio-visual communication. In C. W. Harris (Ed.),Encyclopedia of educational research. (3rd ed.) New York: Macmillan, 1960.
2. Attneave, F. Application of information theory to psychology. New York: Henry Holt, 1959.
3. Broadbent, D. E. Perception and communication. New York: Pergamon, 1958.
4. Broadbent, D. E. Information processing in the nervous system.Science, 1965,3695, 457–462.
5. Bruner, J. S., Goodnow, J. J., & Austin, G. A.A study in thinking. New York: John Wiley, 1956.