@book { NiccolPiccinniCatoneinUtica,
    title = "Niccolò Piccinni: Catone in Utica",
    author = "Wolfram {Ensslin}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1083898"
}