@book{218924,
	author = {United States},
	title = {State BEARFACTS... District of Columbia},
	publisher = {U.S. Dept. pf Commerce, Bureau of Economic Analysis},
	address = {Washington,D.C.},
	note = {Description based on 1969/1979; title from web page (viewed June 10, 2008).},
	url = {http://purl.access.gpo.gov/GPO/LPS95229}
}