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"Roles are not classes: a reply to Nicola Guarino."
Gertjan van Heijst, A. Th. Schreiber, Bob J. Wielinga (1997)
- Gertjan van Heijst, A. Th. Schreiber, Bob J. Wielinga:
Roles are not classes: a reply to Nicola Guarino. Int. J. Hum. Comput. Stud. 46(2): 311-318 (1997)
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