@book{91685,
	author = {Launius, Roger D. and McCurdy, Howard E. and ebrary, Inc.},
	title = {Robots in space},
	publisher = {Johns Hopkins University Press,},
	year = {c2008.},
	series = {New series in NASA history},
	address = {Baltimore :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10389797}
}