@book{13166,
	author = {Kurtz, Norman R.},
	title = {Introduction to social statistics /},
	publisher = {Mcgraw-Hill (Tx),},
	year = {1983.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070356769/chopaconline-20}
}