@book { KompetenzerwerbinderBeratung,
    title = "Kompetenzerwerb in der Beratung",
    author = "Tanja {Wunderle}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832494490",
    url = "https://m.diplom.de/document/224580"
}