@book { EnvironmentalTaxesonExhaustibleResources,
    title = "Environmental Taxes on Exhaustible Resources",
    author = "Jan {Angenendt}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836638685",
    url = "https://m.diplom.de/document/227388"
}