@book { InvestorrelationsManagement,
    title = "Investor-relations-Management",
    subtitle = "Unter besonderer Berücksichtigung deutscher Großbanken",
    author = "Kirsten {Siersleben}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088736"
}