@book { InteressengruppenundGruppeninteresseninderDemokratie,
    title = "Interessengruppen und Gruppeninteressen in der Demokratie",
    subtitle = "Zur Theorie des Rent-Seeking",
    author = "Thomas {Märtz}",
    year = "1990",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13986",
    url = "https://www.peterlang.com/document/1068525"
}