@book{ title = "Des Heiligen Bischofs Gregor von Nazianz Reden", author = "Gregorius,Haeuser, Philipp", year = "1928-", publisher = "Kösel & Pustet", address = "München", language = "ger", howpublished = "print", keywords = "Theologie", series = "Bibliothek der Kirchenväter, ...", }