@book { Hierwirdnschtundtrotzdem,
    title = "Hier wird nüscht – und trotzdem!",
    author = "Petra {Haumersen} and Frank {Liebe}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101115"
}