@book{218941,
	author = {United States},
	title = {State BEARFACTS... Oklahoma},
	publisher = {u.S. Dept.of Commerce},
	address = {Washingtonn,D.C.},
	note = {Description based on 1969/1979;title from web page (viewed Oct. 16, 2007).},
	url = {http://purl.access.gpo.gov/GPO/LPS86868}
}