@book { HandelsklauselnundAGBKontrolle,
    title = "Handelsklauseln und AGB-Kontrolle",
    author = "Francisco José {Alvarez-Scheuern} and D. {Faderl}",
    year = "2007",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638833578",
    url = "https://www.hausarbeiten.de/document/77880"
}