@book { ManagementvonSoftwarelizenzen,
    title = "Management von Softwarelizenzen",
    author = "Tanja {Salmen-Fuchs}",
    year = "2003",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638228930",
    url = "https://www.hausarbeiten.de/document/18575"
}