@book{58104,
	author = {ebrary, Inc.},
	title = {LC21},
	publisher = {National Academy Press,},
	year = {c2000.},
	address = {Washington, D.C. :},
	note = {Also available on the World Wide Web.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10038813}
}