@book { TyingexklusiveVertrgeunddasKartellrechtimFallMicrosoft,
    title = "Tying, exklusive Verträge und das Kartellrecht im Fall Microsoft",
    author = "Jörg {Krause}",
    year = "2004",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638258173",
    url = "https://www.hausarbeiten.de/document/22511"
}