1. Batini, C., G. Moruzzi, M. Palestini, G. F. Rossi, and A. Zanchetti: Effects of complete pontine transaction on the sleep wakefulness rhythm: the midpontine petrigeminal preparation. Arch. ital. Biol. 97, 1–12 (1959).
2. Eccles, J. C.: The physiology of nerve cells. Baltimore: Johns Hopkins University Press 1957.
3. Fuortes, M. G. F.: Initiation of impulses in the visual cell of limulus. J. Physiol. (Lond.) 148, 14–28 (1959).
4. Fuortes, M. G. F., and F. Mantegazzini: Interpretation of the repetitive firing of nerve cells. J. gen. Physiol. 45, 1163–1179 (1962).
5. Gerace, G. B., e G. Gestri: Un sistema automatico per l'analisi dell'attività nervosa. Alta Frequenza 32, 639–644 (1963).