@book{219374,
	author = {United States},
	title = {U.S. crude oil, natural gas, and natural gas liquids resrves... annual report},
	publisher = {Energy Information Administration, Office of Oil and Gas.},
	address = {Washington,D.C.},
	note = {Description based on: 1996;title from title screen (viewed on Apr. 10,2003).},
	url = {http://purl.access.gpo.gov/GPO/LPS4327}
}