@book { EDVEinsatzinkleinerenSteuerberatungsunternehmen,
    title = "EDV-Einsatz in kleineren Steuerberatungsunternehmen",
    author = "Sebastian {Brehm}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832439989",
    url = "https://m.diplom.de/document/219634"
}