@book{47567,
	author = {National Research Council (U.S.). and Hartmann, Heidi I. and ebrary, Inc.},
	title = {Case studies and policy perspectives},
	publisher = {National Academy Press,},
	year = {1987.},
	series = {Computer chips and paper clips ;},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10062958}
}