@book { AlexanderFreiherrvonBach,
    title = "Alexander Freiherr von Bach",
    subtitle = "Stationen einer umstrittenen Karriere",
    author = "Eva {Macho}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105269"
}