@book { CarSharingUmweltentlastungdurchsozialeInnovation,
    title = "Car-Sharing. Umweltentlastung durch soziale Innovation",
    author = "Hannah {Lotz}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://m.hausarbeiten.de/document/278151"
}