1. Adrian, Lord E. B., 1959. Sensory mechanisms — introduction.In: Handbook of physiology. Section 1. Neurophysiology. Ed. by A. W. Magoun & V. E. Hall. Am. Physiol. Soc., Washington, D. C.,1, 365–367.
2. Bogert, C., 1949. Thermoregulation in reptiles, a factor in evolution.Evolution, N. Y.3, 195–211.
3. Brillouin, L., 1951. Information and entropy.J. appl. Phys. 22, 334–343.
4. —— 1956. Science and information theory. Acad. pr., New York, 320 pp.
5. Buddenbrock, W. von, 1952. Vergleichende Physiologie. Bd. 1. Sinnesphysiologie. Birkhäuser, Basel, 504 pp.