@book { StressundGewalt,
    title = "Stress und Gewalt",
    author = "Katja {Henschke}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832479763",
    url = "https://m.diplom.de/document/223002"
}