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"Constraint Modelling Using a Conceptual Prototyping Language."
Frank Dignum et al. (1987)
- Frank Dignum, T. Kemme, W. Kreuzen, Hans Weigand, Reind P. van de Riet:
Constraint Modelling Using a Conceptual Prototyping Language. Data Knowl. Eng. 2: 213-254 (1987)
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