1. M. A. Alekseev, Zh. Vyssh. Nervn. Deyat.,3, No. 6, 883–890 (1953).
2. P. K. Anokhin, Principal Problems of the General Theory of Functional Systems [in Russian], Moscow (1971).
3. N. D. Bagrova, Factor of Time in Human Perception [in Russian], Leningrad (1980).
4. N. A. Bernshtein, Essays on Physiology of Motions and Physiology of Activity [in Russian], Moscow (1966).
5. E. I. Boiko, The Reaction Time of Man [in Russian], Moscow (1964).