@book{9247,
	author = {Conover, W. J.},
	title = {Practical nonparametric statistics /},
	publisher = {Wiley,},
	year = {c1980.},
	series = {Wiley series in probability and mathematical statistics},
	address = {New York :},
	edition = {2d ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/80000301-d.html}
}