@book{29810,
	author = {Zhang, Ting, and ebrary, Inc.},
	title = {Elderly entrepreneurship in an aging US economy},
	publisher = {World Scientific Pub.,},
	year = {c2008.},
	series = {Series on economic development and growth ;},
	address = {Singapore ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10688110}
}