@book { TheorieundPolitikderSteuerreforminderDemokratie,
    title = "Theorie und Politik der Steuerreform in der Demokratie",
    author = "Hugo {Mann}",
    year = "1988",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14040",
    url = "https://www.peterlang.com/document/1068575"
}