1. Aladenise N. and Bouchon-Meunier B., (1997). Acquisition de connaissances imparfaites: mise en évidence d’une fonction d’appartenance, Revue Internationale de Systémique, 11(1): 109–127.
2. Araya R., (1994). Induction of Decision Trees when Examples are Described with Noisy Measurements and with Fuzzy Class Membership. INRIA seminar, CLOREC Project.
3. Bäck T. and Kursawe F., (1994). Evolutionary Algorithms for Fuzzy Logic: a Brief Overview, Proceedings of the 5th International Conference IPMU, 659–664.
4. Batur C. and Kasparian., (1991), Adaptative Approach to Implication for Approximate Reasoning with Fuzzy Logic, Fuzzy Sets and Systems, 3:193–219.
5. Berenji H., (1998). Learning and Tuning Fuzzy Rules, Fuzzy Systems: Modeling and Control, Nguyen and Sugeno (eds), Chap 11, The Handbook of Fuzzy Sets, Kluwer; 291–310.