@book { BetrieblichesVorschlagswesen,
    title = "Betriebliches Vorschlagswesen",
    author = "Florian {Hauser}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832470319",
    url = "https://m.diplom.de/document/222340"
}