@book{191069,
	author = {Garber, Stephen J.},
	title = {Looking backward, looking forward},
	publisher = {National Aeronautics and Space Administration, Office of External Relations, NASA History Office},
	year = {2002.},
	series = {The NASA history series},
	address = {Washington, DC},
	url = {http://purl.access.gpo.gov/GPO/LPS36607}
}