@book { DieEntfremdungdesMenschenindermodernenGrostadt,
    title = "Die Entfremdung des Menschen in der modernen Großstadt",
    author = "Gabriele {Bechtel}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/216041"
}