@book { DiekologischeSteuerreforminDeutschland,
    title = "Die ökologische Steuerreform in Deutschland",
    author = "Susann {Reimers}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832441616",
    url = "https://m.diplom.de/document/219784"
}