@book { MusikDramaturgie,
    title = "Musik & Dramaturgie",
    subtitle = "15 Studien- Fritz Hennenberg zum 65. Geburtstag",
    author = "Beate {Hiltner-Hennenberg}",
    year = "1997",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1085109"
}