@book{235644,
	author = {Olson, Margaret, and ebrary, Inc.},
	title = {The solo singer in the choral setting},
	publisher = {Scarecrow Press,},
	year = {2010.},
	address = {Lanham, Md. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10435008}
}