1. Hebb DO (1949) Organization of behavior. A neuropsychological theory, 2nd edn (1961). Wiley, New York
2. Kirschfeld K (1967) Die Projektion der optischen Umwelt auf das Raster der Rhabdomere im Komplexauge von Musca. Exp Brain Res 3(3):248–270
3. Lorente de Nó R (1922) La corteza cerebral del ratón. Trab Lab Invest Biol Madrid 20:41–78
4. Lorente de Nó R (1949) Cerebral cortex: architecture, intracortical connections, motor projections. In: Fulton JF (ed) Physiology of the nervous system, 3rd edn. Oxford University Press, London, pp 288–330
5. McCulloch WS, Pitts WH (1943) A logical calculus of the ideas immanent in nervous activity. Bull Math Phys 5:115–133