@book { DieBilderschriftinderLyrikChristineLavants,
    title = "Die Bilderschrift in der Lyrik Christine Lavants",
    author = "Solveig {Michelsen}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/222216"
}