@book{196425,
	author = {Zimring, Franklin E. and ebrary, Inc.},
	title = {American youth violence},
	publisher = {Oxford University Press,},
	year = {1998.},
	series = {Studies in crime and public policy},
	address = {New York ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10142239}
}