1. “A density-based algorithm for discovering clusters in large spatial databases with noise.” In Proc. 2nd International Conference on Knowledge Discovery and Data Mining (KDD96);Ester,1996
2. Banerjee, Amit (2013) “Evolutionary algorithms for robust density-based data clustering.” ISRN Computational Mathematics, doi: 10.1155/2013/931019.
3. “Relational duals of the c-means clustering algorithms.”;Hathaway;Pattern Recognition,1989
4. “NERF c-means: non-Euclidean relational fuzzy clustering,”;Hathaway;Pattern Recognition,1994
5. Kaufman, Leonard and Peter Rousseeuw. (2009) Finding Groups in Data: An Introduction to Cluster Analysis. Wiley Series in Probability and Statistics, Wiley, New York.