1. MacQueen, J. B., Some Methods for classification and Analysis of Multivariate Observations, Proceedings of 5-th Berkeley Symposium on Mathematical Statistics and Probability, Berkeley, University of California Press, 1:281–297, 1967.
2. Sefar, S., Modern clustering methods, Bachelor thesis, 2013. University of Ostrava, 2013.
3. Cabanes, G. & Bennani, Y. A simultaneous two-level clustering algorithm for automatic model selection. In Proceedings of the International Conference on Machine Learning and Applications (ICMLA’07) Cincinnati, Ohio, USA, 2007.
4. Kohonen, T. 2001. Self-Organizing Maps. Berlin: Springer-Verlag.
5. Detection and Visualization of Subspace Cluster Hierarchies