@book{21461,
	author = {Borner, Gerhard },
	title = {The Wondrous Universe},
	publisher = {Springer Berlin Heidelberg},
	year = {2011},
	series = {Astronomers' Universe},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/978-3-642-20104-2}
}