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Author (up) Title Year Publication Volume Pages
Fischer, G. Supporting Learning on Demand with Design Environments 1991 International Conference on the Learning Sciences (Evanston, IL) 165-172
Winkels, R.; Breuker, J.; denHaan, N. Principles and Practice of Knowledge Representation in EUROHELP 1991 International Conference on the Learning Sciences (Evanston, IL) 442-448