1. A new identification method for linguistic fuzzy models;Babuska,1994
2. Pattern Recognition with Fuzzy Objective Function Algorithms;Bezdek,1981
3. An unsupervised learning procedure to obtain a classification from a hierarchical clustering;Delgado,1994
4. Hierarchical clustering to validate fuzzy clustering;Delgado,1995
5. Generating fuzzy rules using clustering based approach;Delgado,1995