@book{30893,
	author = {Wortley, Richard and ebrary, Inc.},
	title = {Situational prison control},
	publisher = {Cambridge University Press,},
	year = {2002.},
	series = {Cambridge studies in criminology},
	address = {Cambridge, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10014589}
}