@book{8953,
	author = {Kaufman, Leonard. and Rousseeuw, Peter J.},
	title = {Finding groups in data :},
	publisher = {Wiley,},
	year = {c1990.},
	series = {Wiley series in probability and mathematical statistics. Applied probability and statistics,},
	address = {New York :},
	note = {"A Wiley-Interscience publication."},
	url = {http://www.loc.gov/catdir/description/wiley033/89031460.html}
}