1. Barlow, H. B., Levick, W. R.: Coding of light intensity by the cat retina, p. 384–396. In: Proc. Int. School of Physics “Enrico Fermi”, ed. W. Reichardt. New York: Academic Press 1969.
2. Baylor, D. A., Fuortes, M. G. F.: Electrical responses of single cones in the retina of the turtle. J. Physiol. (Lond.) 207, 77 (1970).
3. Békésy, G. von: Neural inhibitory units of the eye and skin. Quantitative description of contrast phenomena. J. opt. Soc. Amer. 50, 1060–1070 (1960).
4. Bouman, M. A., Ampt, C. G. F.: Fluctuation theory in vision and its mechanistic model. In: Performance of the eye at low luminances, eds. M. A. Bouman, J. J. Vos. Exerpta Medica, Int. Congr. Series No 125, 57–69 (1966).
5. Boumann, M. A., Ampt, C. G. F.: My image of the retina. Quart. Rev. Biophys. 2, 25–64 (1969).