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2. The architecture of cognition;Anderson,1983
3. Essential LISP;Anderson,1987
4. Bagnara, S., & Rizzo, A. (1992). Errors, counterfactual thinking and learning. Paper presented at the NATO Workshop “Organizational Learning and Technological Change”, Certosa di Pontignano.
5. Repräsentation von Wissen und Wissenserwerbsprozessen auf der Grundlage von Classifier-Systemen [Knowledge representation and representation of knowledge acquisition processes based on classifier systems];Bollwahn,1989