@book{2591,
	author = {Gibbons, Jean Dickinson,},
	title = {Nonparametric statistics :},
	publisher = {Sage Publications,},
	year = {c1993.},
	series = {Quantitative applications in the social sciences ;},
	address = {Newbury Park, Calif. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0655/92030724-d.html}
}