@book { DeterminantendesWiederverkaufswertes,
    title = "Determinanten des Wiederverkaufswertes",
    author = "Rouwen {Hahn}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656277705",
    url = "https://www.hausarbeiten.de/document/201635"
}