@book { ChanceninderKontraktlogistik,
    title = "Chancen in der Kontraktlogistik",
    author = "Kai Uwe {Behrens}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832497644",
    url = "https://m.diplom.de/document/224838"
}