@book{220738,
	author = {United States Postal Service.},
	title = {Postal facts},
	publisher = {The Service},
	year = {1998-},
	address = {Washington, D.C.},
	note = {Title from title screen (viewed on Apr. 9, 1998)},
	url = {http://purl.access.gpo.gov/GPO/LPS352}
}