1. Brains, Machines, and Mathematics;Arbib,1964
2. Speed-up theorems and incompleteness theorems;Arbib,1965
3. Machine dependence of degrees of difficulty;Arbib,1965
4. Historical Analysis of von Neumann's Theories of Artificial Self-Reproduction;Burks,1960
5. Computation, behavior and structure in fixed and growing automata;Burks;Behavioral Sci.,1961