1. Ashkenaji, M., Othmer, H.G.: Spatial patterns in coupled biochemical oscillators. J. Math. Biology 5, 305?350 (1978)
2. Bennett, M.V.L.: Electrical transmission: a functional analysis and comparison to chemical transmission. In: Handbook of physiology, Vol. 1, pp. 357?416. Kandel, E.R., (ed.). Bethesda, Maryland: American Physiological Society 1977
3. Eccles, R.M., Liebet, B.: Origin and blockade of the synaptic responses of curarized sympathetic ganglia. J. Physiol. 157, 484?503 (1961)
4. Fitzhugh, R.: Impulses and physiological states in theoretical models in nerve membrane. Biophys. J. 1, 445?466 (1961)
5. Greengard, P., Kebabian, J.W.: Role of cyclic AMP in synaptic transmission in the mammalian peripheral nervous system. Fed. Proc. 33, 1059?1067 (1974)