@book { DasliterarischeFruleinwunder,
    title = "Das «literarische Fräuleinwunder»",
    author = "Heidelinde {Müller}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097201"
}