@book{ title = "Altdeutsche Texte", author = "Mettke, Heinz", year = "1987", publisher = "Bibliogr. Inst.", address = "Leipzig", edition = "2., unveränd. Aufl.", language = "ger", howpublished = "print", isbn = "3323001168", keywords = "Deutsch,Althochdeutsch,Mittelhochdeutsch,Literatur", }