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2. J.M. Enoch, B.R. Horowitz: “The Vertebrate Retinal Receptor as a Waveguide”, in Optical and Acoustical Micro-Electronics, Proc. Symposium, New York, April 16–18, 1974, ed. by J. Fox (Polytechnic, New York 1975) pp.133–159
3. S.L. Polyak: The Retina (Univ. Chicago Press, Chicago 1941)
4. S.L. Polyak: The Vertebrate Visual System (Univ. Chicago Press, Chicago 1957)
5. G.L. Walls: The Vertebrate Eye (Cranbrook Inst. Sci., Bloomfield Hills, MI 1942)