@inproceedings{STOC-2002-BadoiuHI,
	author        = "Mihai Badoiu and Sariel Har-Peled and Piotr Indyk",
	booktitle     = "{Proceedings of the 34th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/509907.509947",
	isbn          = "1-58113-495-9",
	pages         = "250--257",
	publisher     = "{ACM}",
	title         = "{Approximate clustering via core-sets}",
	year          = 2002,
}