@book{37504,
	author = {Werner, Ernst and Erbstößer, Martin},
	title = {Kleriker, Mönche, Ketzer},
	publisher = {Herder},
	year = {1994},
	series = {Herder Spektrum},
	address = {Freiburg im Breisgau},
	note = {Titel d. 1. Aufl.: Ketzer und Heilige}
}