@book { PolitischeFragenRechtsfragenundSachfragen,
    title = "Politische Fragen, Rechtsfragen und Sachfragen",
    author = "Reinhard Joachim {Wabnitz}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1071871"
}