@book{89017,
	author = {National Research Council (U.S.). and ebrary, Inc.},
	title = {Engineering employment characteristics},
	publisher = {National Academy Press,},
	year = {1985.},
	series = {Engineering education and practice in the United States},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10060472}
}
