@book{ title = "Lohengrin", author = "Gloeckle, Ferdinand,Görres, Joseph von", year = "1813", publisher = "Mohr [u.a.]", address = "Heidelberg", title = "ein altdeutsches Gedicht", language = "ger", content = "Resolving-System", "kostenfrei", "Volltext // Exemplar mit der Signatur: München, Bayerische Staatsbibliothek -- P.o.germ. 871 p", "kostenfrei", }