@book{242373,
	author = {Ratcliffe, Martin. and ebrary, Inc.},
	title = {State of the Universe 2008},
	publisher = {Springer ;},
	year = {2008.},
	series = {Springer-Praxis Books in popular astronomy},
	address = {Berlin :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10222918}
}