@book{107624,
	author = {Volovik, G. E. and ebrary, Inc.},
	title = {The universe in a helium droplet},
	publisher = {Oxford University Press,},
	year = {2009.},
	series = {International series of monographs on physics ;},
	address = {Oxford :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10358388}
}