@book{2581,
	author = {Johnson, Richard A. and Wichern, Dean W.},
	title = {Applied multivariate statistical analysis /},
	publisher = {Pearson Prentice Hall,},
	year = {c2007.},
	address = {Upper Saddle River, N.J. :},
	edition = {6th ed.},
	note = {Includes bibliographical references and indexes.}
}