@book{174518,
	author = {Manski, Charles F. and ebrary, Inc.},
	title = {Assessment of two cost-effectiveness studies on cocaine control policy},
	publisher = {National Academy Press,},
	year = {1999.},
	address = {Washington, DC :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10041028}
}