@book{226328,
	author = {United States},
	title = {Addressing the U.S. Postal Service's financial crisis},
	publisher = {U.S. G.P.O.},
	year = {2012},
	series = {S. hrg.},
	address = {Washington},
	url = {http://purl.fdlp.gov/GPO/gpo19722}
}