@book { InvestorRelationsimRahmeneinesWertsteigerungsmanagements,
    title = "Investor Relations im Rahmen eines Wertsteigerungsmanagements",
    author = "Tino {Dittmann}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832413712",
    url = "https://m.diplom.de/document/217051"
}