@book{hartigan75,
	title = {Clustering Algorithms},
	author = {J. Hartigan},
	publisher = {John Wiley and Sons, New York},
	year = {1975},
	biburl = {http://www.bibsonomy.org/bibtex/21e578b491641715a807d1b6b136d2204/hotho},
	file = {},
	keywords = {clustering kmeans }
}