1. R. Jung, in Visual Perception and Neurophysiology. Handbook of Sensory Physiology, Ed. by R. Jung (Academic Press, New York, 1973), Vol. VII/3, pp. 3–152.
2. V. D. Glezer, Vision and Thinking (Nauka, Leningrad, 1985) [in Russian].
3. J. Gibson, Ecological Approach to Visual Perception (Progress, Moscow, 1988) [in Russian].
4. S. Cajal, The Structure of the Retina (IL Springfield, 1972).
5. R. Dawkins, The Blind Watchmaker (W. W. Norton, New York, 1986).