@book { WachstumohneEnde,
    title = "Wachstum ohne Ende?",
    author = "Johannes {Buhl}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640942626",
    url = "https://www.hausarbeiten.de/document/173945"
}