1. ABRETT Glenn, BURSTEIN Mark H., The KREME knowledge editing environment, Int. J. Man-Machine Studies, 27, 1987
2. ALLGAYER Jürgen, HARBUSCH Karin, KOBSA Alfred, REDDIG Carola, REITHINGER Norbert, SCHMAUKS Dagmar, XTRA: a natural-language access system to expert systems, Int. J. Man-Machine Studies, 31, 1989
3. AYEL Marc, ROUSSET Marie-Christine, La cohérence dans les bases de connaissances, Cepadues-Editions, France, 1990
4. BIEBOW Brigitte, COUPEY Pascal, SZULMAN Sylvie, Using exceptions in a semantic network for a natural language application, Proc. of the 2nd EUROSPEECH, Paris, France, September 89
5. BIEBOW Brigitte, SZULMAN Sylvie, Validation de cahiers des charges rédigés en langage naturel, Proc. of the 11th Int. Conf. on Expert Systems and their Applications, Avignon, France, May 91