1. Cluster Analysis;Aldenderfer,1984
2. Techniques of Cluster Algorithms in Data Mining;Grabmeier;Data Min. Knowl. Disc.,2002
3. Algorithms for Clustering Data;Jain,1988
4. Data Clustering: A Review;Jain;ACM Comput. Surv.,1999
5. Finding Groups in Data: An Introduction to Cluster Analysis;Kaufman,1990