@book{ title = "Gregorius", author = "Murdoch, Brian", year = "2012", publisher = "Oxford Univ. Press", address = "Oxford", edition = "1. ed.", title = "an incestuous saint in Medieval Europe and beyond", language = "eng", isbn = "9780199596409","0199596409", keywords = "Gregorius,Legende", pages = "23x16 cm", note = "Hardback", content = "Verlag", "Autorenbiografie", "Verlag", "Verlagsangaben", "Verlag", "Inhaltsverzeichnis", "Verlag", "Klappentext", "Verlag", "Verlag", "Verlag", }