@book { HandlingauslndischerDelegationen,
    title = "Handling ausländischer Delegationen",
    author = "Sandra {Sattler}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832439064",
    url = "https://m.diplom.de/document/219548"
}