@book{44071,
	author = {Blumstein, Alfred, and National Research Council (U.S.).},
	title = {Criminal careers and "career criminals."},
	publisher = {National Academy Press,},
	year = {1986.},
	address = {Washington, District of Columbia :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10071409}
}