@book{23127,
	author = {Agresti, Alan.},
	title = {Categorical data analysis /},
	publisher = {Wiley-Interscience,},
	year = {c2002.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/bios/wiley042/2002068982.html}
}