@book{219375,
	author = {United States},
	title = {Natural gas annual},
	publisher = {The Office},
	year = {1982},
	address = {Washington,D.C.},
	note = {distributed to depository libraries in microfiche, ending with 1998issue.},
	url = {http://purl.access.gpo.gov/GPO/LPS6761}
}