@book { MglichkeitenzurOptimierungderLogistikkettedurchdasInternet,
    title = "Möglichkeiten zur Optimierung der Logistikkette durch das Internet",
    author = "Volker {Kretschmer}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832410100",
    url = "https://m.diplom.de/document/216904"
}