@book{209447,
	author = {Romanus, and Maas, Paul, and ebrary, Inc.},
	title = {Sancti Romani Melodi cantica},
	publisher = {Walter de Gruyter,},
	year = {1970.},
	address = {Berlin :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10590360}
}