1. Broadbent, D. E.: Perception and communication. New York: Pergamon Press 1958
2. Broadbent, D. E.: Stimulus set and response set: two kinds of selective attention. In: D. J. Mostofsky (Ed.): Attention: Contemporary Theory and Analysis, S. 51?60. New York: Appleton-Century-Crofts 1970
3. Broadbent, D. E.: Decision and stress. London: Academic Press 1971
4. Claridge, G. S.: Personality and arousal. Oxford: Pergamon Press 1967
5. Conrad, K.: Die beginnende Schizophrenie, 3. Aufl., 1971. Stuttgart: G. Thieme 1958