@book { UnderpricingbeimGoingPublic,
    title = "Underpricing beim Going Public",
    author = "Christian {Chrobok}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832441487",
    url = "https://m.diplom.de/document/219772"
}