@book{11963,
	author = {COUNCIL OF EUROPE. EUROPEAN COMMITTEE ON CRIME PROBLEMS, European Conferences of Directors of Criminological Research Institutes},
	title = {Reports presented to the fourth European conference of directors of criminological research institutes},
	publisher = {Council of Europe},
	year = {1968},
	series = {Collected Studies in Criminological Research},
	address = {Strasbourg}
}