@book{54164,
	author = {Ashley, Martin, and ebrary, Inc.},
	title = {How high should boys sing?},
	publisher = {Ashgate Pub.,},
	year = {2009.},
	address = {Farnham, England ;},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10325872}
}