@book{220366,
	author = {George C. Marshall Space Center},
	title = {Science directorate publications and presentations, January 1-Decembeer 31...},
	address = {Huntsville, Ala.:},
	note = {Description based on 1999; title screen(viewed on Jan. 4,2006).},
	url = {http://purl.access.gpo.gov/GPO/LPS40202}
}