@book{103216,
	author = {Weisstein, Ulrich. and Bernhart, Walter. and ebrary, Inc.},
	title = {Selected essays on opera},
	publisher = {Rodopi,},
	year = {2006.},
	series = {Word and music studies ;},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10380549}
}