McCulloch, Warren S.; Berendsen, H. J. C.; Blum, M.; Cowan, J. D.; Verbeek, L. A. M.; Lettvin, Jerome Y.; Maturana, Humberto R.; Gesteland, R. C.; Pitts, Walter H.
(Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT), 1960-04-15)