@book{36343,
	author = {United States},
	title = {State and metropolitan area data book.},
	publisher = {U.S. Dept. of Commerce, Bureau of the Census},
	year = {1980-},
	address = {Washington, D.C.},
	note = {920609},
	url = {http://purl.access.gpo.gov/GPO/LPS2647}
}