@book{35333,
	author = {Li, Qi, and Racine, Jeffrey Scott,},
	title = {Nonparametric econometrics :},
	publisher = {Princeton University Press,},
	year = {c2007.},
	address = {Princeton, N.J. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0704/2006044989-b.html}
}