1. Design for a Brain.;Ashby,1952
2. What is mind? Objective and subjective aspects in cybernetics. Theories of the Mind.;Ashby,1962
3. Atomic Physics and Human Knowledge.;Bohr,1958
4. Neuron doctrine and electrophysiology;Bullock;Science,1959
5. The Nature of Explanation.;Craik,1952