@book { StrategischeInvestorRelationsimInternet,
    title = "Strategische Investor Relations im Internet",
    author = "Kathrin {Alt}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832474041",
    url = "https://m.diplom.de/document/222689"
}