@book { ModernesTalentManagement,
    title = "Modernes Talent-Management",
    author = "Martina {Kahl}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842815018",
    url = "https://m.diplom.de/document/228509"
}