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Johannsen, Gunnar, Borys, Bernd-Burkhard, Sundström, G. A., Fejes, Lajos, Strätz, Gerd Issues of Design Support and User Modelling for Intelligent Graphical Editors, and Presentation System: ESPRIT-Gradient-P857 Report WP4+11-UKS-055, Bd. MMS-8: IMAT-Bericht / MMS, Kassel 1989.

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