@book { NiccolPiccinniCatoneinUtica,
    title = "Niccolò Piccinni: Catone in Utica",
    subtitle = "Quellenüberlieferung, Aufführungsgeschichte und Analyse",
    author = "Wolfram {Ensslin}",
    year = "1996",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany"
}