@book{220346,
	author = {Jet Propulsion Laboratory U.S.},
	title = {Mars},
	publisher = {Mars Informatics Inc.},
	year = {2005-},
	address = {Los Angeles, CA},
	note = {Title from journal home page (viewed Feb. 26, 2007)},
	url = {http://purl.access.gpo.gov/GPO/LPS108005}
}