@book { DieZeitstckevonEleonoreKalkowska,
    title = "Die Zeitstücke von Eleonore Kalkowska",
    author = "Agnes {Trapp}",
    year = "2010",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1107469"
}