@book { DrrenmattimZentrum,
    title = "Dürrenmatt im Zentrum",
    author = "Jürgen {Söring} and Annette {Mingels}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097284"
}