@book { ZumGlckinderSchule,
    title = "Zum Glück in der Schule",
    subtitle = "Glückskonzepte bei Grundschulkindern",
    author = "Michaela {Dimbath}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836617062",
    url = "https://m.diplom.de/document/226021"
}