@book{176046,
	author = {Carvalho, Walter M. and ebrary, Inc.},
	title = {U.S. coins},
	publisher = {Nova Science Publishers,},
	year = {c2009.},
	series = {Financial institutions and services},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10671058}
}