@book { PersnlichkeitsspaltunginLiteraturundFilm,
    title = "Persönlichkeitsspaltung in Literatur und Film",
    author = "Volker {Pietsch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105527"
}