@book { DieKapitulationvonSyriza,
    title = "Die Kapitulation von Syriza",
    author = "David {North} and Schwarz {Peter}",
    year = "2015",
    publisher = "MEHRING Verlag",
    address = "Essen, Deutschland",
    url = "https://mehring.openpublishing.com/document/324354"
}