@book{38144,
	author = {Kupperstein, Lenore R.},
	title = {Delincuencia juvenil en Puerto Rico /},
	publisher = {Centro de Investigaciones Sociales, Universidad de Puerto Rico ,},
	year = {1974.},
	address = {Recinto de Río Piedras :},
	edition = {Ed. rev. / por Jaime Toro Calder.},
	note = {Translation of Juvenile delinquencyin Puerto Rico.}
}