@book{34550,
	author = {Seedhouse, Erik. and SpringerLink (Online service)},
	title = {Tourists in Space},
	publisher = {Praxis,},
	year = {2008.},
	series = {Springer Praxis Books},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/978-0-387-74644-9}
}