@book{5346,
	author = {Conover, W. J. and Shewhart, W. A. (ed.)},
	title = {Practical nonparametric statistics},
	publisher = {John Wiely and Sons},
	year = {1980},
	address = {New York},
	edition = {2nd},
	note = {14440 / 17.04.1986}
}