@book{218419,
	author = {United States},
	title = {1992 census of transportation},
	publisher = {U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of the Census},
	year = {[1994]},
	address = {Washington, D.C.},
	note = {Title from title screen (viewed on Feb. 19, 2009)},
	url = {http://purl.access.gpo.gov/GPO/LPS109149}
}