@book { DerZauberdesHarryPotter,
    title = "Der Zauber des Harry Potter",
    subtitle = "Analyse eines literarischen Welterfolgs",
    author = "Paul {Bürvenich}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1092570"
}