Referências

Ankerst, Mihael, Markus M Breunig, Hans-Peter Kriegel, and Jörg Sander. 1999. “OPTICS: Ordering Points to Identify the Clustering Structure.” ACM Sigmod Record 28 (2): 49–60.
Anton, Howard, and Chris Rorres. 2001. Álgebra Linear Com Aplicações. Vol. 8. Bookman Porto Alegre.
Hartigan, John A, and Manchek A Wong. 1979. “Algorithm AS 136: A k-Means Clustering Algorithm.” Journal of the Royal Statistical Society. Series c (Applied Statistics) 28 (1): 100–108.
Johnson, Richard Arnold, Dean W Wichern, et al. 2002. Applied Multivariate Statistical Analysis. Vol. 5. 8. Prentice hall Upper Saddle River, NJ.
Kaufman, Leonard, and Peter J Rousseeuw. 2009. Finding Groups in Data: An Introduction to Cluster Analysis. John Wiley & Sons.
Lloyd, Stuart. 1982. “Least Squares Quantization in PCM.” IEEE Transactions on Information Theory 28 (2): 129–37.