@book { DerEmissionshandelGeschftspotenzialefrBanken,
    title = "Der Emissionshandel - Geschäftspotenziale für Banken",
    author = "Sonja {Göcking}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832489618",
    url = "https://m.diplom.de/document/224122"
}