@book { SupplyChainManagementAnstzeTrendsEntwicklungen,
    title = "Supply Chain Management. Ansätze, Trends, Entwicklungen",
    author = "",
    year = "2015",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/287255"
}