@book{21299,
	author = {National Research Council (U.S.).},
	title = {Review of NASA's exploration technology development program},
	publisher = {National Academies Press,},
	year = {c2008.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10274059}
}