@book{ title = "An introduction to Old Frisian", author = "Bremmer, Rolf H.", year = "2009", publisher = "J. Benjamins Publ.", address = "Amsterdam [u.a.]", title = "history, grammar, reader, glossary", language = "eng","dum", isbn = "9789027232557","9789027232564","9789027290045", keywords = "Einführung,Geschichte,Grammatik,Frisian language,Syntax,Lexikologie,Morphologie,Dialektologie,Phonologie,Altfriesisch", note = "Includes bibliographical references and index", content = "Inhaltsverzeichnis", "Inhaltsverzeichnis", }