1. Steinhaus, H.: Sur la division des corps matériels en parties. Bulletin de l’Académie Polonaise des Sci. 4(12), 801–804 (1957)
2. MacQueen, J.B.: Some methods for classification and analysis of multivariate observations. In: Proceedings of the 5th Berkeley Symposium on Mathematical Statistics and Probability, Statistics, vol. 1, pp. 281–297. University of California Press (1967)
3. Arthur, D., Vassilvitskii, S.:
$$k$$
-means++: the advantages of careful seeding, In: Proceedings of the Eighteenth Annual ACM-SIAM symposium on Discrete algorithms, pp. 1027–1035. Society for Industrial and Applied Mathematics, Philadelphia (2007)
4. Dhillon, I.S., Modha, D.S.: Concept decompositions for large sparse text data using clustering. Mach. Learn. 42, 143–175 (2001)
5. Hornik, K., Feinerer, I., Kober, M., Buchta, C.: Spherical
$$k$$
-Means Clustering, vol. 50(10), September 2012