author = { Weaver, William AND Wiszniewsky, Egon AND Wiszniewsky, Egon },

title = { Verdi eine Dokumentation },

publisher = {Henschelverlag},

keywords = { Quelle , Verdi, Giuseppe },

year = {1980},

address = { Berlin },

url = { http://slubdd.de/katalog?TN_libero_mab2 }