@book{2275,
	author = {Lehmann, E. L. and D'Abrera, H. J. M.},
	title = {Nonparametrics :},
	publisher = {McGraw-Hill, },
	year = {1975.},
	series = {Holden-day series in probability and statistics},
	address = {New York :},
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/toc/fy0704/2006927419.html}
}