@book{282740,
	author = {United States. and United States.},
	title = {Commercial human space flight :},
	publisher = {U.S. Government Printing Office,},
	year = {2004.},
	address = {Washington :},
	note = {"Serial no. 108-26."},
	url = {http://purl.access.gpo.gov/GPO/LPS49826}
}