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2. Evolutionary Computation. Toward a New Philosophy of Machine Intelligence. Institute of Electrical and Electronic Engineers: New York, 1995.
3. Concerning efficient adaptive systems. Self-Organizing Systems—1962, , (eds.). Spartan Books: Washington, DC, 1962; 215–230.
4. Kybernetische evolution als strategie der experimentellen forschung in der strömungstechnik. Undergraduate Thesis, University of Dortmund, Dortmund, Germany, 1965 (in German).
5. Artificial Intelligence through Simulated Evolution. Wiley: New York, 1966.