1. Anderson, J. R.: The Architecture of Cognition. Cambridge, MA: Harvard University Press 1983
2. Anderson, J. R.: Talk on psychology and intelligent tutoring. Paper presented at the 4th International Conference on Artificial Intelligence and Education, Amsterdam, ND 1989
3. Anderson, J. R. & Boyle, A. T., Corbett, A. & Lewis, M.: Cognitive modelling and intelligent tutoring. Artificial Intelligence, 42, pp. 7–51 (1990)
4. Anderson, J. R., & Pelletier, R.: A development system for model-tracing tutors. In: The International Conference on the Learning Sciences: Proceedings of the 1991 Conference, Evanston IL (L. Birnbaum, ed), pp. 1–9, Charlottesville, VA: AACE 1991
5. Baril, D., Greer, J. E. & McCalla, G. I.: Student modelling with confluences. Proceedings of the AAAI Conference, Anaheim, CA pp. 43–48, 1991