@book { DiedeutscheWhrungsundBankenkrise1931,
    title = "Die deutsche Währungs- und Bankenkrise 1931",
    author = "Thomas {Blaha}",
    year = "2014",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/283930"
}