1. Data Clustering: Theory, Algorithms and Applications;Gan,2007
2. Cluster Analysis;Everitt,1993
3. Probabilistic aspects in cluster analysis;Bock,1989
4. Finding natural clusters;Carmichael;Systematic Zoology,1968
5. Mean shift: A robust approach toward feature space analysis;Comaniciu;IEEE Transactions on Pattern Analysis and Machine Intelligence,2002