@book{259778,
	author = {United States.},
	title = {Clean coal technology :},
	publisher = {U.S. Government Printing Office :},
	year = {2007.},
	series = {S. hrg. ;},
	address = {Washington :},
	note = {CRDP Program record.},
	url = {http://purl.access.gpo.gov/GPO/LPS89307}
}