@book { GiuseppeVerdiunddiesthetikderBefreiung,
    title = "Giuseppe Verdi und die Ästhetik der Befreiung",
    author = "Georg {Mondwurf}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093266"
}