@book { OptionenvonVASinderLogistik,
    title = "Optionen von VAS in der Logistik",
    author = "Andreas {Möhnen}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640865895",
    url = "https://www.hausarbeiten.de/document/168788"
}