@inbook{Ma99,
	author = {Rudolf Mathar},
	title = "Multivariate Outliers (tests for). Invited contribution",
	pages = "515--520",
	volume = "3",
	publisher = "Wiley",
	series = "Encyclopedia of Statistical Sciences",
	editor = "S. Kotz, C.B.Read, D.L. Banks",
	address = "New-York",
	year = 1999,
	hsb = {RWTH-CONV-223638},
	}