@book { DieZauberflteunddasPopulare,
    title = "«Die Zauberflöte» und das «Populare»",
    author = "Ralph {Köhnen}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06939-6",
    url = "https://www.peterlang.com/document/1050576"
}