@book { NiewiederKrieg,
    title = "Nie wieder Krieg",
    subtitle = "gleichheit 2-3/2016",
    author = "Peter {Schwarz}",
    year = "2016",
    publisher = "MEHRING Verlag",
    address = "Essen, Deutschland",
    url = "https://mehring.openpublishing.com/document/339112"
}