@book { DermotivierteMitarbeiter,
    title = "Der motivierte Mitarbeiter",
    author = "Wolfgang {Peham}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832451905",
    url = "https://m.diplom.de/document/220717"
}