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Ford, N.: Expert systems and artificial intelligence : an information manager's guide (1991)
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Hodgson, J.P.E.: Knowledge representation and language in AI (1991)
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Penrose, R.: Computerdenken : Des Kaisers neue Kleider oder Die Debatte um Künstliche Intelligenz, Bewußtsein und die Gesetze der Physik (1991)
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