@book { DieBedeutungHorstHeroldsfrdieBekmpfungderRAF,
    title = "Die Bedeutung Horst Herolds für die Bekämpfung der RAF",
    author = "Nicolai {Zimmermann}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/278860"
}