@book { OptimierungderpsychosozialenKompetenzen,
    title = "Optimierung der psycho-sozialen Kompetenzen",
    author = "Elisabeth {Pfalz}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832485863",
    url = "https://m.diplom.de/document/223781"
}