1. Pattern Recognition with Fuzzy Objective Function Algorithms;Bezdek,1981
2. Fuzzy Clustering Analysis: Methods for Classification, Data Analysis and Image Recognition;Hoeppner,1999
3. Advances in Fuzzy Clustering and Its Applications;Valente de Oliveira,2007
4. Data Clustering: Theory, Algorithms and Applications;Gan,2007
5. Clustering;Xu,2009