@book{8553,
	author = {Gronbach, Kenneth W. and American Management Association.},
	title = {The age curve},
	publisher = {American Management Association,},
	year = {c2008.},
	address = {New York :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10271810}
}