author = { Verdi, Giuseppe AND Somma, Antonio },

title = { Un ballo in maschera melodramma in tre atti },

publisher = {Ricordi},

keywords = { Italienisch , Libretto },

year = {[circa 1900]},

abstract = {Textbuch},

address = { Milano [u.a.] },

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