@book{21066,
	author = {Gasparri, Daniele },
	title = {L'universo in 25 centimetri},
	publisher = {Springer Milan},
	year = {2011},
	series = {Le Stelle},
	address = {Milan, Italy},
	url = {http://doi.org/10.1007/978-88-470-1905-8}
}