1. The first stage of perception growth of the assembly;Hebb,1988
2. Neural networks and physical systems with emergent collective computational abilities;Hopfield,1982
3. Neurons with graded response have collective computational properties like those two-state neurons;Hopfield,1984
4. Neural computation of decisions in optimization problems;Hopfield;Biological Cybernetics,1985
5. An introduction to computing with neural nets;Lippmann;IEEE ASSP Magazine,1987