@book { MobbingPsychoterroramArbeitsplatz,
    title = "Mobbing - Psychoterror am Arbeitsplatz",
    author = "Florentine {Sellier}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832403584",
    url = "https://m.diplom.de/document/216339"
}