@book{67394,
	author = {Willock, David J. and ebrary, Inc.},
	title = {Molecular symmetry},
	publisher = {John Wiley & Sons,},
	year = {2009.},
	address = {Chichester, UK :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10300608}
}