@book { Ausgebrannt,
    title = "Ausgebrannt?",
    author = "Sandra {Waeldin}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842820821",
    url = "https://m.diplom.de/document/228630"
}