1. Baylor, D.A., Fuortes, M.G.F., O'Bryan, P.M.: Receptive fields of cones in the retina of the turtle. J. Physiol. 214, 265?294 (1971)
2. Bendat, J.S., Piersol, A.G.: Random data: Analysis and measurement procedures. New York: Wiley 1970
3. Bode, H.W.: Network analysis and feedback amplifier design. New York: Van Nostrand 1945
4. Cervetto, L., Marchiafava, P.L., Pasino, E.: Influence of efferent retinal fibres on responsiveness of ganglion cells to light. Nature 260, 56?57 (1976)
5. Chappell, R.L., Naka, K.-I., Sakuranaga, M.: Surround linearizes turtle horizontal cell response. Invest. Ophthalmol. Vis. Sci. 24 (ARVO Suppl.), 220 (1983)