@book { Depression,
    title = "Depression",
    subtitle = "Ursachen, Zusammenhänge und Veränderungsmöglichkeiten",
    author = "Michael {Baade}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836615938",
    url = "https://m.diplom.de/document/225950"
}