1. Berglund, A. 1976.Zulu Thought-Patterns and Symbolism, 141London: C. Hurst Inc., Ltd.
2. Fletcher, J. 1981. “Physiological Responses to the Media,”. paper distributed at 21st Conference of the International Communication Association. 1981, Minneapolis, Minn.
3. Stauffer, J. and Frost, R. 1985. “The Effects of Gender, Personality, and Social Class on Physiological Responses to Media Violence,”. paper presented to 25th Conference of the International Communication Association. 1985, Honolulu, Hawaii.
4. The Attention Factor in Recalling Network Television News