@book{218935,
	author = {United States},
	title = {1997 economic census},
	publisher = {U.S. Dept. of Commerce, Economics and Statistics Administration},
	address = {Washington, D.C.},
	note = {Title from title screen (viewed on Apr. 18,2003).},
	url = {http://purl.access.gpo.gov/GPO/LPS27820}
}