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Anderson, J. R. (1985). Perception-Based Knowledge Representations. In G. Lindzey, R. F. Thompson, & R. C. Atkinson (Eds.), Cognitive Psychology and Its Implications (pp. 73–102). A Series of Books in Psychology. New York: W. H. Freeeman and Company.
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Dewdney, A. K. (1987). Vehicles for probing behavior roam a dark plain marked by lights. Scientific American.
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Fischer, G. (1989). Situated Action -- Cognition in Practice -- Learning on Demand -- Cooperative Problem Solving. University of Colorado at Boulder.
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Frey, B., & Oberholzer-Gee, F. (1997). The Cost of Price Incentives: An Empirical Analysis of Motivation Crowding- Out. The Cost of Price Incentives, 87(4), 746–755.
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Helander, M. (Ed.). (1990). Handbook of Human-Computer Interaction. Amsterdam: North-Holland.
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